THREATPORT/VULNERABILITY/CVE-2025-6216
CRITICAL SEVERITY

CVE-2025-6216

Allegra vulnerability

CVSS
9.8
EPSS
30.7%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Alltena
Affected product
Allegra
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-640 — Weak Password Recovery Mechanism
Published
2025-06-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 30.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2025-6216

  • Confirm whether Alltena Allegra is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-6216.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-6216

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-6216 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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