All vulnerabilities
CVE-2024-38475

Apache HTTP Server Improper Escaping of Output Vulnerability

Apache HTTP ServerWeb servers
Open in ThreatlineRecord JSON
CVSS
9.1Critical
ExploitationExploited in the wildAdded to KEV 1 May 2025CISA KEV
Exploit odds (EPSS)>99.9%Chance of exploitation activity in the next 30 days, higher than 99.9% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline22 May 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 1 Jul 2024, 18:15 UTCPublishedCVE List
  2. 1 May 2025Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Scanner templateSonicwall - Pre-Authentication Arbitrary File ReadNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Apache HTTP Server contains an improper escaping of output vulnerability in mod_rewrite that allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure.

Text from CVE List

Affected versions 1

  • Apache HTTP Serveraffected: 2.4.0 through 2.4.59CVE List

References 7