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Case File

CVE-2023-27539

MEDIUM · CVSS 5.3 EPSS 1.08% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-01-09 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

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

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

CVE
CVE-2023-27539
Severity
MEDIUM
CVSS
5.3
EPSS
1.08%

Original NVD Description

There is a denial of service vulnerability in the header parsing component of Rack.

Related CVEs

Other vulnerabilities affecting the same vendor(s)