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.

CrowdSec network observations suggest that most exploitation of CVE-2024-38475 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. In addition, according to the CrowdSec network, attack volume against CVE-2024-38475 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

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