Vulnerabilities > CVE-2021-29959 - Incorrect Authorization vulnerability in Mozilla Firefox
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
LOW Availability impact
NONE Summary
When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1395819
- https://bugzilla.mozilla.org/show_bug.cgi?id=1395819
- https://security.gentoo.org/glsa/202107-09
- https://security.gentoo.org/glsa/202107-09
- https://www.mozilla.org/security/advisories/mfsa2021-23/
- https://www.mozilla.org/security/advisories/mfsa2021-23/