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No exploitation reportedFix available

CVE-2025-6216

No exploitation reported by the sources we read.

  • Published2025-06-21
  • Fixed in8.1.24 · 7.5.2.70
  • WeaknessCWE-640

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-06-2101:15CVE publishedNVD

Versions per branch

NVD
Alltena allegra
BranchAffectedFixed in
8.x≥ 8.0.0, < 8.1.248.1.24
7.x≥ 7.0.0, < 7.5.2.707.5.2.70

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As zdi, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Allegraother versions: unknown
    Affected
    • = 8.1.3.32no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-06-21

Fix

  1. Update Alltena allegra to 8.1.24 · 7.5.2.70

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2025-06-21
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-7jmp-283p-h6xj

Frequently asked questions

What is CVE-2025-6216?

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.

Is CVE-2025-6216 actively exploited?

Active exploitation of CVE-2025-6216 has not been confirmed. Its EPSS score was 47.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-6216?

CVE-2025-6216 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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