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Case File

CVE-2011-5331

CRITICAL · CVSS 9.8 EPSS 2.75% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-11-18 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

External Security References
exploit-db.com ↗

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

CVE
CVE-2011-5331
Severity
CRITICAL
CVSS
9.8
EPSS
2.75%

Original NVD Description

Distributed Ruby (aka DRuby) 1.8 mishandles instance_eval.