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Case File

CVE-2020-12405

MEDIUM · CVSS 5.3 EPSS 1.35% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-07-09 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

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-2020-12405
Severity
MEDIUM
CVSS
5.3
EPSS
1.35%
Firefox

Original NVD Description

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.