Improperly implemented security check for standard in Google Chrome - CVE-2021-21139

 

Improperly implemented security check for standard in Google Chrome - CVE-2021-21139

Published: January 19, 2021 / Updated: January 19, 2021


Vulnerability identifier: #VU49717
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-21139
CWE-ID: CWE-358
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Chrome

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in iframe sandbox in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


How to mitigate CVE-2021-21139

Update to version 88.0.4324.96.

Sources