Apache Struts - Arbitrary File Read (CVE-2023-50164)

CVE-2023-50164 is a critical vulnerability affecting Apache Struts, where attackers can manipulate file upload parameters to achieve path traversal. Under certain conditions, this can result in the upload of malicious files and enable remote code execution.

CrowdSec has been tracking this vulnerability and its exploits since 15th of December 2023.

Data from the CrowdSec community indicates that exploitation of CVE-2023-50164 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. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2023-50164 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2023-50164 is currently experiencing high visibility and active exploitation across the internet.

Observed attempts are associated with crafted requests to the file upload functionality in vulnerable Struts deployments.