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Case File

CVE-2021-43536

MEDIUM · CVSS 6.5 EPSS 1.67%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-08 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. It affects Firefox.

CVE
CVE-2021-43536
Severity
MEDIUM
CVSS
6.5
EPSS
1.67%
Firefox

Original NVD Description

Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

Related CVEs

Other vulnerabilities affecting the same vendor(s)