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Case File

CVE-2013-0263

MEDIUM · CVSS 5.1 EPSS 5.43% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-02-08 · 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.

GitHub PoC Links
rack.github.com ↗ gist.github.com ↗ github.com ↗ github.com ↗

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

CVE
CVE-2013-0263
Severity
MEDIUM
CVSS
5.1
EPSS
5.43%

Original NVD Description

Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involving an HMAC comparison function that does not run in constant time.