Apache HTTP Server Improper Escaping of Output
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-05-22 · passed 1 year 3 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Apache HTTP Server. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-116.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 3 months ago
Sources
- NVD entry for CVE-2024-38475 nvd.nist.gov/vuln/detail/CVE-2024-38475
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- httpd.apache.org httpd.apache.org/security/vulnerabilities_24.html
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2024-38475