Risk Letters

Exploited vulnerability

CVE-2024-38475

TLP:CLEAR

Apache HTTP Server Improper Escaping of Output Vulnerability

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.

Facts

  • Vendor: Apache
  • Product: HTTP Server
  • CVSS: 9.1
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 1 May 2025
  • First known exploitation: 1 May 2025
  • CISA's deadline for US federal agencies: 22 May 2025
  • Weakness: CWE-116
  • First seen by Risk Letters: 1 May 2025

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD