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Vulnerability details: VCID-br8y-gysb-cbat
Vulnerability ID VCID-br8y-gysb-cbat
Aliases CVE-2021-30577
Summary Insufficient policy enforcement in Installer in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to perform local privilege escalation via a crafted file.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-732 Incorrect Permission Assignment for Critical Resource
System Score Found at
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
epss 0.00392 https://api.first.org/data/v1/epss?cve=CVE-2021-30577
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30577
cvssv3.1 7.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30577
archlinux Medium https://security.archlinux.org/AVG-2201
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-30577
https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
https://crbug.com/1204811
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30577
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-2201 https://security.archlinux.org/AVG-2201
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-2021-30577 https://nvd.nist.gov/vuln/detail/CVE-2021-30577
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-2021-30577
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30577
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 0.59435
EPSS Score 0.00392
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:40:07.619574+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.20/community.json 37.0.0