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Case File

CVE-2012-2126

MEDIUM · CVSS 4.3 EPSS 1.37% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-10-01 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2012-2126
Severity
MEDIUM
CVSS
4.3
EPSS
1.37%

Original Filing — NVD Description

RubyGems before 1.8.23 does not verify an SSL certificate, which allows remote attackers to modify a gem during installation via a man-in-the-middle attack.