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Vulnerability details: VCID-5ef3-1uu1-yffv
Vulnerability ID VCID-5ef3-1uu1-yffv
Aliases CVE-2021-21227
Summary multiple issues
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
epss 0.03176 https://api.first.org/data/v1/epss?cve=CVE-2021-21227
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-21227
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-21227
archlinux High https://security.archlinux.org/AVG-1828
archlinux High https://security.archlinux.org/AVG-1871
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-21227
https://crbug.com/1199345
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21227
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21228
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21229
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21230
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21231
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21232
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21233
https://www.debian.org/security/2021/dsa-4911
987715 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987715
ASA-202104-2 https://security.archlinux.org/ASA-202104-2
AVG-1828 https://security.archlinux.org/AVG-1828
AVG-1871 https://security.archlinux.org/AVG-1871
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-2021-21227 https://nvd.nist.gov/vuln/detail/CVE-2021-21227
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21227
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-2021-21227
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.86459
EPSS Score 0.03176
Published At Sept. 16, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T11:36:31.459929+00:00 Arch Linux Importer Import https://security.archlinux.org/AVG-1871 37.0.0