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Vulnerability details: VCID-378y-sv7e-aaaj
Vulnerability ID VCID-378y-sv7e-aaaj
Aliases CVE-2021-21166
Summary Data race in audio in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-21166.html
epss 0.01990 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.01990 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.02085 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.02367 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.03804 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.41931 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
epss 0.4735 https://api.first.org/data/v1/epss?cve=CVE-2021-21166
cvssv3.1 8.8 https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
cvssv3.1 8.8 https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
ssvc Attend https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
ssvc Attend https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
cvssv3.1 8.8 https://crbug.com/1177465
cvssv3.1 8.8 https://crbug.com/1177465
ssvc Attend https://crbug.com/1177465
ssvc Attend https://crbug.com/1177465
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21159
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21160
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21161
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21162
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21163
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21165
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21166
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21167
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21168
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21169
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21170
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21171
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21172
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21173
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21174
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21175
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21176
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21177
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21178
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21179
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21180
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21181
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21182
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21183
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21184
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21185
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21186
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21187
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21188
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21189
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21190
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21191
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21192
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21193
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21194
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21195
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21196
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21197
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21198
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21199
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
ssvc Attend https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
ssvc Attend https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
ssvc Attend https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
ssvc Attend https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
cvssv3.1 8.8 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
ssvc Attend https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
ssvc Attend https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-21166
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-21166
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-21166
archlinux High https://security.archlinux.org/AVG-1631
archlinux High https://security.archlinux.org/AVG-1633
archlinux High https://security.archlinux.org/AVG-1634
ssvc Attend https://security.gentoo.org/glsa/202104-08
ssvc Attend https://security.gentoo.org/glsa/202104-08
cvssv3.1 8.8 https://www.debian.org/security/2021/dsa-4886
cvssv3.1 8.8 https://www.debian.org/security/2021/dsa-4886
ssvc Attend https://www.debian.org/security/2021/dsa-4886
ssvc Attend https://www.debian.org/security/2021/dsa-4886
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-21166.html
https://api.first.org/data/v1/epss?cve=CVE-2021-21166
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
https://crbug.com/1177465
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21159
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21160
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21161
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21162
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21163
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21165
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21166
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21167
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21168
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21169
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21170
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21171
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21172
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21173
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21174
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21175
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21176
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21177
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21178
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21179
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21180
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21181
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21182
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21183
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21184
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21185
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21186
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21187
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21188
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21189
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21190
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21191
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21192
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21193
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21194
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21195
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21196
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21197
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21198
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21199
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21200
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
https://security.gentoo.org/glsa/202104-08
https://www.debian.org/security/2021/dsa-4886
ASA-202103-19 https://security.archlinux.org/ASA-202103-19
AVG-1631 https://security.archlinux.org/AVG-1631
AVG-1633 https://security.archlinux.org/AVG-1633
AVG-1634 https://security.archlinux.org/AVG-1634
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2021-21166 https://nvd.nist.gov/vuln/detail/CVE-2021-21166
Data source KEV
Date added Nov. 3, 2021
Description Google Chromium contains a race condition vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Required action Apply updates per vendor instructions.
Due date Nov. 17, 2021
Note 
https://nvd.nist.gov/vuln/detail/CVE-2021-21166
Ransomware campaign use Unknown
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://crbug.com/1177465
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://crbug.com/1177465
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://crbug.com/1177465
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://crbug.com/1177465
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21166
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21166
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21166
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://security.gentoo.org/glsa/202104-08
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://security.gentoo.org/glsa/202104-08
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.debian.org/security/2021/dsa-4886
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://www.debian.org/security/2021/dsa-4886
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://www.debian.org/security/2021/dsa-4886
Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-01-29T16:54:53Z/ Found at https://www.debian.org/security/2021/dsa-4886
Exploit Prediction Scoring System (EPSS)
Percentile 0.88491
EPSS Score 0.01990
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.