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. CrowdSec data also reveals a clear uptick in attacks involving CVE-2023-50164 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

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