CVE-2025-6216CRITICAL 9.8EPSS p97.9%

CVE-2025-6216CVE-2025-6216

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.

Scoring

CVSS 3.09.8 (CRITICAL)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS29.43% probability of exploitation · percentile 97.9% · 2026-06-19T12:03:05Z
Published2025-06-21
Last modified2025-08-18

Underlying weaknesses· 1

CWE-640

References

  1. https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-4-and-release-7-5-2
  2. https://www.zerodayinitiative.com/advisories/ZDI-25-410/

1

TypeTargetConfidenceTier
WeaknessWeak Password Recovery Mechanism for Forgotten Passwordcwe-6400%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.