# CVE-2025-6216: Allegra - Authentication Bypass

> Live exploitation tracking for CVE-2025-6216 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-2025-6216

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.8
- **Public exploit available:** Yes
- **Affected products:** Allegra
- **Weaknesses:** CWE-640 (Weak Password Recovery Mechanism for Forgotten Password)
- **Tags:** enterprise_software

## Description

Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the password recovery mechanism. The issue results from reliance upon a predictable value when generating a password reset token. An attacker can leverage this vulnerability to bypass authentication on the application.

## CrowdSec analysis

[CVE-2025-6216](https://euvd.enisa.europa.eu/vulnerability/CVE-2025-6216) is an authentication bypass vulnerability, which allows remote attackers to exploit a weakness in the password recovery mechanism due to predictable password reset tokens. By leveraging this flaw, attackers can bypass authentication without valid credentials, potentially gaining unauthorized access to sensitive application resources.

CrowdSec has been tracking this vulnerability and its exploits since 16th of July 2025.

CrowdSec has not observed any significant exploitation activity targeting CVE-2025-6216 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.

Attackers exploit predictable password reset tokens by targeting the `/resetPassword.action` and `/resetPassword!confirm.action` endpoints, allowing them to bypass authentication and gain unauthorized access.

## Timeline

- 2025-06-21: CVE Published. CVE-2025-6216 is published to NVD.
- 2025-07-16: Rule Released. CrowdSec releases a rule to detect CVE-2025-6216 exploitation attempts against the CrowdSec Network.
- 2025-07-31: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2025-6216 for the first time.

## References

- https://www.zerodayinitiative.com/advisories/ZDI-25-410/
- https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-4-and-release-7-5-2
- https://github.com/projectdiscovery/nuclei-templates/blob/main/code/cves/2025/CVE-2025-6216.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2025-6216) follows observed exploitation activity for CVE-2025-6216. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.