Is CVE-2025-6216 in the CISA KEV catalog?

No. CVE-2025-6216 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-6216?

CVE-2025-6216 has a CVSS v3 base score of 9.8 (CRITICAL).

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

CVE-2025-6216 has an EPSS score of 30.72% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6216?

Upgrade allegra to 8.1.24 or later.

CVE & CISA-KEV Catalog

CVE-2025-6216

CRITICALEPSS 98th pctl

9.8

CVSS v3

NVD

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.

CWE-640

How to fix

Remediation Available

allegraNVD

Affected:>= 8.0.0, < 8.1.24Fixed in:8.1.24CVE-2025-6216derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

30.72%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

Vendor Advisory1

alltena.com

Third-Party Advisory1

zerodayinitiative.com

Related Vulnerabilities

Other CWE-640 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-18818	Critical	9.8	98%	-	-
CVE-2023-7028	Critical	10.0	95%	KEV	Fix
CVE-2017-7615	High	8.8	91%	-	-
CVE-2024-2862	Critical	9.1	51%	-	-
CVE-2019-19844	Critical	9.8	35%	-	Fix
CVE-2017-8295	Medium	5.9	27%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-18.