CVE-2025-6216 CRITICAL

CVE-2025-6216: Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability

Vendor Allegra
Product Allegra
Weakness CWE-640 · Weak password recovery
Published June 21, 2025
Last update June 23, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 21, 2025 CVE published
June 23, 2025 Record updated