CVE-2021-23958 Information

Description

The browser could have been confused into transferring a screen sharing state into another tab which would leak unintended information. This vulnerability affects Firefox < 85.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1642747 https://www.mozilla.org/security/advisories/mfsa2021-03/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5