#VU52236 Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-21205

Vulnerability identifier: #VU52236

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21205

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Chrome
Client/Desktop applications / Web browsers

Vendor: Google

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in navigation in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.

Mitigation
Update to version 90.0.4430.72.

Vulnerable software versions

Google Chrome: 88.0.4324.104 - 89.0.4389.128

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External links
https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html
https://crbug.com/1165654

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.