Apache Web Server - Information Disclosure (CVE-2024-38475)

CVE-2024-38475 is a high-severity vulnerability in Apache HTTP Server’s mod_rewrite module, stemming from improper output escaping. This flaw allows an attacker to craft URLs that bypass expected access controls, potentially mapping to unintended filesystem locations. Exploitation can lead to remote code execution or inadvertent source code disclosure.

CrowdSec has been tracking this vulnerability and its exploits since 22nd of August 2024.

Data from the CrowdSec community indicates that exploitation of CVE-2024-38475 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. CrowdSec network telemetry also shows that exploitation of CVE-2024-38475 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Observed exploitation attempts are associated with crafted URL rewriting that manipulates server context, specifically targeting rewrite rules likely to expose restricted resources.