# CVE-2021-26294: AfterLogic Aurora - Directory Traversal

> Live exploitation tracking for CVE-2021-26294 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2021-26294

## Key facts

- **Exploitation phase:** Background Noise. Continuous low-level scanning or exploitation attempts are observed, mostly opportunistic and automated.
- **CVSS score:** 7.5
- **Public exploit available:** Yes
- **Affected products:** AfterLogic Aurora & Webmail Pro
- **Weaknesses:** CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

## Description

An issue was discovered in AfterLogic Aurora through 7.7.9 and WebMail Pro through 7.7.9. They allow directory traversal to read files (such as a data/settings/settings.xml file containing admin panel credentials), as demonstrated by dav/server.php/files/personal/%2e%2e when using the caldav_public_user account (with caldav_public_user as its password).

## CrowdSec analysis

[CVE-2021-26294](https://euvd.enisa.europa.eu/vulnerability/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.

## Timeline

- 2021-03-07: CVE Published. CVE-2021-26294 is published to NVD.
- 2025-04-02: Rule Released. CrowdSec releases a rule to detect CVE-2021-26294 exploitation attempts against the CrowdSec Network.
- 2025-04-07: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2021-26294 for the first time.

## References

- https://github.com/E3SEC/AfterLogic/blob/main/CVE-2021-26294-exposure-of-sensitive-information-vulnerability.md
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-26294.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2021-26294) follows observed exploitation activity for CVE-2021-26294. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.
