CISA-confirmed known exploited vulnerability

CVE-2024-38475

Apache HTTP Server Improper Escaping of Output Vulnerability

Apache · HTTP Server

Vulnerability details

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.

Added to CISA KEV: 2025-05-01

Ransomware campaign use: Unknown

CISA due date: 2025-05-22

Defensive guidance from CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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