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CVE-2025-6216

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CVE-2025-6216

Published: Jun 21, 2025

Modified: Jun 23, 2025

PUBLISHED

CVSS v3.0

9.8

CRITICAL

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. Was ZDI-CAN-27104.

VendorProductVersions

Allegra

Allegra

affected
8.1.3.32

Weaknesses (CWE)

CWE-640

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

ZDI-25-410
x_research-advisory
vendor-provided URL
vendor-advisory

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