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Case File

CVE-2013-0776

MEDIUM · CVSS 4 EPSS 1.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-02-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2013-0776
Severity
MEDIUM
CVSS
4
EPSS
1.30%
Firefox

Original NVD Description

Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a 407 HTTP status code accompanied by web script, as demonstrated by a phishing attack on an HTTPS site.