CVE-2020-12676

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

FusionAuth fusionauth-samlv2 0.2.3 allows remote attackers to forge messages and bypass authentication via a SAML assertion that lacks a Signature element, aka a "Signature exclusion attack".

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-347

Affected software

No affected versions have been published.

Timeline

Published
Oct 2, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-12676: Critical severity, CVSS 9.1 | Vulnix