CVE-2025-6216: Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability
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. Was ZDI-CAN-27104.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Because no fixed version or patch is provided in the material, mitigate this Allegra authentication bypass (ZDI-CAN-27104) by restricting network access to the application’s password recovery endpoint(s) to trusted sources only (e.g., via firewall/ACL) until a vendor fix is applied.
Event History
Frequently Asked Questions
What is the severity of CVE-2025-6216?
CVE-2025-6216 is considered a high severity vulnerability due to its ability to bypass authentication without any required credentials.
How do I fix CVE-2025-6216?
To fix CVE-2025-6216, apply the latest security patch provided by Allegra for the affected software versions.
What systems are affected by CVE-2025-6216?
CVE-2025-6216 affects installations of Allegra that contain vulnerable versions of the software.
Can CVE-2025-6216 be exploited remotely?
Yes, CVE-2025-6216 can be exploited remotely since authentication is not required for exploitation.
What is the impact of exploiting CVE-2025-6216?
Exploiting CVE-2025-6216 allows attackers to bypass authentication, potentially leading to unauthorized access to sensitive information.