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Vulnerability details: VCID-esjm-braq-ebb9
Vulnerability ID VCID-esjm-braq-ebb9
Aliases CVE-2021-30629
Summary Use after free in Permissions in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process 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 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
epss 0.0062 https://api.first.org/data/v1/epss?cve=CVE-2021-30629
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30629
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30629
archlinux High https://security.archlinux.org/AVG-2337
archlinux High https://security.archlinux.org/AVG-2379
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-30629
https://crbug.com/1243646
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30629
ASA-202109-6 https://security.archlinux.org/ASA-202109-6
AVG-2337 https://security.archlinux.org/AVG-2337
AVG-2379 https://security.archlinux.org/AVG-2379
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:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-30629 https://nvd.nist.gov/vuln/detail/CVE-2021-30629
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-2021-30629
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-2021-30629
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 0.69098
EPSS Score 0.0062
Published At July 31, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:13.574270+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0