Security restrictions bypass in Firefox for Android - CVE-2021-23957
Published: January 26, 2021
Vulnerability identifier: #VU50027
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-23957
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to the way application handles navigations through the Android-specific intent URL scheme. A remote attacker can escape the iframe sandbox.
Affected software
Firefox for Android
How to mitigate CVE-2021-23957
Install updates from vendor's website.