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Vulnerability details: VCID-5u3w-9t6w-17d6
Vulnerability ID VCID-5u3w-9t6w-17d6
Aliases CVE-2021-30602
Summary Use after free in WebRTC in Google Chrome prior to 92.0.4515.159 allowed an attacker who convinced a user to visit a malicious website 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 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
epss 0.00325 https://api.first.org/data/v1/epss?cve=CVE-2021-30602
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30602
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30602
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-2021-30602
https://chromereleases.googleblog.com/2021/08/stable-channel-update-for-desktop.html
https://crbug.com/1230767
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30602
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/
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1348
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-2021-30602 https://nvd.nist.gov/vuln/detail/CVE-2021-30602
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-2021-30602
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-2021-30602
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 0.54872
EPSS Score 0.00325
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:49.315482+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.20/community.json 37.0.0