Information disclosure in Firefox for Android - CVE-2021-29963
Published: June 1, 2021
Vulnerability identifier: #VU53712
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-29963
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to address bar search suggestions in private browsing mode is re-using session data from normal mode. A remote website can identify the user using the suggested session data.
Affected software
Firefox for Android
How to mitigate CVE-2021-29963
Install updates from vendor's website.
Firefox for Android - update to 89.1.0