CVE-2021-23958

MEDIUM

Mozilla Firefox < 85.0 - Exposure to Wrong Actor

Title source: rule

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.

References (2)

Scores

CVSS v3 6.5
EPSS 0.0032
EPSS Percentile 55.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Classification

CWE
CWE-668
Status published

Affected Products (1)

mozilla/firefox < 85.0

Timeline

Published Feb 26, 2021
Tracked Since Feb 18, 2026