Fortinet FortiOS, FortiSwitchMaster, FortiProxy, and FortiWeb contain an improper verification of cryptographic signature vulnerability that may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML message. Please be aware that CVE-2025-59719 pertains to the same problem and is mentioned in the same vendor advisory. Ensure to apply all patches mentioned in the advisory.
Platform
FortiGate / FortiOS
CVE Record
CVE-2025-59718
Advisory
CISA-KEV
Published
16 December 2025
Views
5
Primary source: Review the official advisory at nvd.nist.gov
Kaynağa Git
Durum
Bu açık CISA tarafından aktif istismar edildiği doğrulanmış açıklar katalogunda yer alıyor. Teorik bir risk değil — sahada kullanılıyor.
Açıklama
Fortinet FortiOS, FortiSwitchMaster, FortiProxy, and FortiWeb contain an improper verification of cryptographic signature vulnerability that may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML message. Please be aware that CVE-2025-59719 pertains to the same problem and is mentioned in the same vendor advisory. Ensure to apply all patches mentioned in the advisory.
Künye
Üretici: Fortinet
Ürün: Multiple Products
Katalog'a eklenme: 2025-12-16
CISA'nın Zorunlu Kıldığı Aksiyon
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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