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Vulnerability details: VCID-e11f-mmd7-pket
Vulnerability ID VCID-e11f-mmd7-pket
Aliases CVE-2021-21150
Summary Use after free in Downloads in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Status Published
Exploitability 0.5
Weighted Severity 8.6
Risk 4.3
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
epss 0.00779 https://api.first.org/data/v1/epss?cve=CVE-2021-21150
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-21150
cvssv3.1 9.6 https://nvd.nist.gov/vuln/detail/CVE-2021-21150
archlinux High https://security.archlinux.org/AVG-1584
archlinux High https://security.archlinux.org/AVG-1585
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-21150
https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html
https://crbug.com/1172192
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21148
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21149
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21150
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21151
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21152
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21153
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21154
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21155
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21156
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21157
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB/
AVG-1584 https://security.archlinux.org/AVG-1584
AVG-1585 https://security.archlinux.org/AVG-1585
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:*:*:*:*:*:*:*
CVE-2021-21150 https://nvd.nist.gov/vuln/detail/CVE-2021-21150
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-2021-21150
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:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-21150
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 0.72717
EPSS Score 0.00779
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:15:58.609722+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2021-21150 37.0.0