PT-2021-5563 · Google+3 · Google Chrome+3

Published 2021-05-25 · Updated 2024-06-15 · CVE-2021-30537

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:P/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 cookies, allowing a remote attacker to bypass cookie policy via a crafted HTML page. This can be exploited by a remote attacker to bypass existing access restrictions for HTML elements. The estimated number of potentially affected devices worldwide is not specified.

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 sensitive HTML elements until the update is applied.

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:2021-06419

CVE-2021-30537

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 · 2346

• 🔥 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://crbug.com/830101 · Exploit
• 🔥❌ https://github.com/ohnonoyesyes/CVE-2021-21224 · Exploit, Deleted
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30537 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-30537 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30537 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-06419 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-30537 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-30537 · Vendor Advisory