CVE-2025-59718

CRITICALCISA KEV

9.8

Description

A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14, FortiProxy 7.0.0 through 7.0.21, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie12/9/2025

Derniere modification12/17/2025

Sourcekev

Observations honeypot0

CISA KEV

FournisseurFortinet

ProduitMultiple Products

Nom vulnerabiliteFortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability

Date ajout KEV2025-12-16

Date limite remediation2025-12-23

Utilise dans ransomwareUnknown

Produits affectes

fortinet:fortiosfortinet:fortiproxyfortinet:fortiswitchmanager

Faiblesses (CWE)

CWE-347

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-647(psirt@fortinet.com)

https://arcticwolf.com/resources/blog/arctic-wolf-observes-malicious-sso-logins-following-disclosure-cve-2025-59718-cve-2025-59719/(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59718(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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