UpHeron
All vulnerabilities

Servers and applications

CVE-2024-38475

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier 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. Substitutions in server context that use a backreferences or variables as the first segment of the…

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 1 May 2025.

Severity
Critical 9.1
Published
1 Jul 2024
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.4.60
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • From 2.4.0 before 2.4.60

Known exploited

CISA name
Apache HTTP Server Improper Escaping of Output Vulnerability
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due for US agencies
22 May 2025
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-38475
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-38475