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Vulnerabilities

Vulnerability · CVE-2025-6216

Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability.

Published Jun 21, 2025 · catalog updated Jun 23, 2025 · Allegra Allegra

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-6216 is not in CISA KEV. FIRST estimates a 47.77% chance of exploitation in the next 30 days. Check whether you run Allegra Allegra.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
47.77%
Remediation
Vendor / distro source
Affected products
vendor Allegra Allegra 8.1.3.32

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Allegra Allegra 8.1.3.328.1.3.32

How to fix CVE-2025-6216

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-6216 is not in CISA KEV. FIRST estimates a 47.77% chance of exploitation in the next 30 days. Check whether you run Allegra Allegra.

Which versions are affected?

Compare what you have installed with Allegra Allegra 8.1.3.32 8.1.3.32. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 47.77%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 21, 2025 · EUVD

    Detected

    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 passwor

  2. Jun 23, 2025 · EUVD

    Updated

    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 passwor

Sources

  • CVE.orgVulnerability recordCVE-2025-6216

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-6216

    30-day exploitation probability 47.77%

    first.org
  • EUVDVulnerability recordEUVD-2025-28704

    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 wi

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 20, 2026