CVE-2025-6216 in the critical feed json
Allegra calculateTokenExpDate Password Recovery Authentication Bypass Vulnerability
published 2025-06-21 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-28704
- cvss
- 9.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 47.8%
- EPSS 47.8% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- alltena allegra 7.5.2.70, 8.1.24
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
47.77% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Allegra Allegra
Classification
- Weakness
-
- CWE-640 Weak Password Recovery Mechanism for Forgotten Password
References
-
alltena.com
/en/resources/release-notes/release-notes-for-release-8-1-4-and-release-7-5-2
vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-25-410/
third-party-advisory
Sources
- CVE List CVE-2025-6216
- NVD CVE-2025-6216
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