Fortinet · Multiple Products
CVE-2025-59718
Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability
Nedir
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.
CISA: 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.
Ne yapmalı
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
ABD federal kurumları için son tarih: 23 Aralık 2025
- CISA listesine eklenme
- 16 Aralık 2025
- Yayımlanma
- 9 Aralık 2025
- Önem
- Kritik 9,1 CVSS 3.1
- Önümüzdeki 30 günde saldırı olasılığı (EPSS)
- 68% bilinen tüm açıkların en üstteki 0,7% diliminde
- Zayıflık
- CWE-347
- Daha fazla ayrıntı
- NVD · CVE.org · CISA
Tüm kaynaklar (1)
Fortinet için istismar edilen diğer açıklar
| Eklenme | Açık | Ürün | Önem | Saldırı olasılığı |
|---|---|---|---|---|
| 16 Eki 2026 | Path Traversal | Multiple Products | Orta 5,4 | 1,3% |
| 9 Eyl 2026 | Heap-based Buffer Overflow | Multiple Products | Yüksek 7,4 | 3,7% |
| 27 Oca 2026 | Authentication Bypass Using an Alternate Path or Channel | Multiple Products | Kritik 9,4 | 87% |
| 14 May 2025 | Stack-Based Buffer Overflow | Multiple Products | Kritik 9,6 | 31% |
| 9 Eki 2024 | Format String | Multiple Products | Kritik 9,8 | 62% |
| 11 Eki 2022 | Authentication Bypass | Multiple Products | Kritik 9,8 | >99,9% |
| 1 Eki 2026 | Path Traversal | FortiMail | Kritik 9,8 | 4,6% |
| 27 Tem 2026 | Exposure of Sensitive Information to an Unauthorized Actor | FortiOS | Orta 5,3 | 29% |
Kaynaklar: Known Exploited Vulnerabilities (CISA, kamu malı), CVE records (cve.org) ve EPSS (FIRST). Saldırı olasılığı, birinin önümüzdeki 30 günde açığı istismar etmeye çalışacağına dair EPSS tahminidir.