Permissions, Privileges, and Access Controls in Firefox for Android - CVE-2021-29993
Published: September 7, 2021
Vulnerability identifier: #VU56371
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-29993
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform denial of service or spoofing attack.
The vulnerability exists due to Firefox allows navigation through the intent:// protocol. A remote attacker can trick the victim to follow a specially crafted link and perform a denial of service attack or spoof the UI.
Affected software
Firefox for Android
How to mitigate CVE-2021-29993
Install updates from vendor's website.
Firefox for Android - update to 92.1.0