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Case File

CVE-2021-23962

HIGH · CVSS 8.8 EPSS 0.89% Public Exploit

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

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It affects Firefox. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-23962
Severity
HIGH
CVSS
8.8
EPSS
0.89%
Firefox

Original NVD Description

Incorrect use of the '<RowCountChanged>' method could have led to a user-after-poison and a potentially exploitable crash. This vulnerability affects Firefox < 85.

Related CVEs

Other vulnerabilities affecting the same vendor(s)