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. CrowdSec network telemetry also shows that exploitation of CVE-2021-26294 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.

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