PT-2021-5256 · Google+4 · Google Chrome+4

Published 2021-08-31 · Updated 2024-06-15 · CVE-2021-30620

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 93.0.4577.63 Microsoft Edge (affected versions not specified)

Description The issue is related to insufficient policy enforcement in Blink, which can be exploited by a remote attacker to bypass content security policy via a crafted HTML page. This is due to errors in privilege management.

Recommendations For Google Chrome versions prior to 93.0.4577.63, update to version 93.0.4577.63 or later to resolve the issue. For Microsoft Edge, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2021-2717

ALT-PU-2021-2797

ALT-PU-2021-2987

ALT-PU-2021-3044

ALT-PU-2021-3050

ALT-PU-2021-3436

ALT-PU-2021-3603

BDU:2021-06082

CVE-2021-30620

OPENSUSE-SU-2021:1300-1

OPENSUSE-SU-2021:1303-1

OPENSUSE-SU-2021:1310-1

OPENSUSE-SU-2021_1303-1

OPENSUSE-SU-2021_1310-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Edge

Suse

References · 2353

• 🔥 https://github.com/Phuong39/PoC-CVE-2021-30632 · Exploit
• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/CrackerCat/CVE-2021-30632 · Exploit
• 🔥 https://github.com/Peterpan0927/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/maldiohead/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥❌ https://github.com/Lagal1990/CVE-2021-30632 · Exploit, Deleted
• 🔥❌ https://github.com/Expdev893/CVE-2021-30632 · Exploit, Deleted
• https://cve.org/CVERecord?id=CVE-2021-30620 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPJPUSAWIJMQFBQQQYXAICLI4EKFQOH6 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30620 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-30620 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:0110-1 · Vendor Advisory