CVE-2025-6216 | BDVDB-2026-283453 Detail

AllegraAllegra

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.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-640 Weak Password Recovery Mechanism for Forgotten Password

References#

Exploit#

No public exploit known

History#

Version 12025-06-21Record published in the CVE List.
Version 22025-06-23Most recent update recorded in the CVE List.

Published

Published: 2025-06-21
Last modified: 2025-06-23

Vendor information

Vendor: Allegra
Product: Allegra

All Allegra vulnerabilities

Score

9.8 Critical

EPSS

47.7%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 98.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
8.1.3.32
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).