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Vulnerability details: VCID-7wba-8jpc-n7gn
Vulnerability ID VCID-7wba-8jpc-n7gn
Aliases CVE-2021-30601
Summary Use after free in Extensions API in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
epss 0.00247 https://api.first.org/data/v1/epss?cve=CVE-2021-30601
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30601
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30601
archlinux High https://security.archlinux.org/AVG-2298
archlinux High https://security.archlinux.org/AVG-2299
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-30601
https://chromereleases.googleblog.com/2021/08/stable-channel-update-for-desktop.html
https://crbug.com/1234009
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30601
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LVY4WIWTVVYKQMROJJS365TZBKEARCF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QW4R2K5HVJ4R6XDZYOJCCFPIN2XHNS3L/
990079 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990079
AVG-2298 https://security.archlinux.org/AVG-2298
AVG-2299 https://security.archlinux.org/AVG-2299
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: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:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-30601 https://nvd.nist.gov/vuln/detail/CVE-2021-30601
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-2021-30601
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-2021-30601
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 0.47924
EPSS Score 0.00247
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:32:42.100070+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.14/community.json 37.0.0