AfterLogic Aurora - Directory Traversal (CVE-2021-26294)

CVE-2021-26294 is a directory traversal vulnerability in AfterLogic Aurora and WebMail Pro that allows remote attackers to read sensitive files from the server, such as configuration files containing credentials.

CrowdSec has been tracking this vulnerability and its exploits since 2nd of April 2025.

CrowdSec network data shows that most actors exploiting CVE-2021-26294 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2021-26294 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2021-26294 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Exploit attempts typically focus on URLs containing /dav/server.php/files/personal/ along with suspicious traversal patterns.