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Case File

CVE-2020-12409

HIGH · CVSS 8.8 EPSS 1.02%

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

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It affects Firefox.

CVE
CVE-2020-12409
Severity
HIGH
CVSS
8.8
EPSS
1.02%
Firefox

Original NVD Description

When using certain blank characters in a URL, they where incorrectly rendered as spaces instead of an encoded URL. This vulnerability affects Firefox < 77.

Related CVEs

Other vulnerabilities affecting the same vendor(s)