What is CVE-2025-6216?

CVE-2025-6216 is a critical-severity vulnerability in Allegra, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 9.8/10. Published 2025-06-21.

How severe is CVE-2025-6216?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Allegra

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 v…

EPSS: 0.294 (97.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Allegra — versions 8.1.3.32
Alltena Allegra

Weakness classification (CWE)

CWE-640 — Weak Password Recovery Mechanism for Forgotten Password

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-6216?: CVE-2025-6216 is a critical-severity vulnerability in Allegra, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 9.8/10. Published 2025-06-21.
How severe is CVE-2025-6216?: Critical severity. CVSS v3 base score is 9.8 out of 10.