CVE-2021-29959 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1395819 https://www.mozilla.org/security/advisories/mfsa2021-23/ https://security.gentoo.org/glsa/202107-09

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3