AUGUST 4, 2026
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Case File

CVE-2021-23958

MEDIUM · CVSS 6.5 EPSS 0.88%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-26 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-23958
Severity
MEDIUM
CVSS
6.5
EPSS
0.88%
Firefox

Original NVD 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.