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Case File

CVE-2020-26966

MEDIUM · CVSS 6.5 EPSS 1.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-09 · Last synced 2026-08-04

CyberRota Analysis

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

CVE
CVE-2020-26966
Severity
MEDIUM
CVSS
6.5
EPSS
1.34%
Windows Firefox

Original NVD Description

Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Related CVEs

Other vulnerabilities affecting the same vendor(s)