PT-2020-6479 · Google+3 · Google Chrome+3

D1Iv3 + 1 · Published 2020-08-11 · Updated 2024-06-15 · CVE-2021-30538

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 91.0.4472.77

Description The issue is related to insufficient policy enforcement in the Content Security Policy component of Google Chrome, allowing a remote attacker to bypass content security policy via a specially crafted HTML page. This could potentially impact data integrity.

Recommendations For versions prior to 91.0.4472.77, update to version 91.0.4472.77 or later to resolve the issue. As a temporary workaround, consider restricting access to untrusted HTML pages to minimize the risk of exploitation.

Exploit

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

ALT-PU-2021-1876

ALT-PU-2021-1972

ALT-PU-2021-2007

ALT-PU-2021-2009

ALT-PU-2021-2141

BDU:2021-05204

CVE-2021-30538

OPENSUSE-SU-2021:0825-1

OPENSUSE-SU-2021:0840-1

OPENSUSE-SU-2021_0825-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2349

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/browser/chrome_cve_2021_21220_v8_insufficient_validation.rb · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/security-dbg/CVE-2021-21220 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• 🔥 https://crbug.com/1115045 · Exploit
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05204 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:0840-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-30538 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30538 · Vendor Advisory
• https://security.gentoo.org/glsa/202107-06 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10681-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30538 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30538 · Vendor Advisory