Vulnerability identifier: #VU49709

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-21131

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: Yes

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 File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Mitigation
Update to version 88.0.4324.96.

Vulnerable software versions

Google Chrome: 85.0.4183.102 - 87.0.4280.141

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CPE

• cpe:2.3:a:google:google_chrome:87.0.4280.141:*:*:*:*:*:*:*

External links
http://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
http://crbug.com/1140417

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?