CVE-2025-59718
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-09

Last updated on: 2025-12-17

Assigner: Fortinet, Inc.

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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-12-09
Last Modified
2025-12-17
Generated
2026-05-07
AI Q&A
2025-12-09
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 10 associated CPEs
Vendor Product Version / Range
fortinet fortiproxy From 7.6.0 (inc) to 7.6.4 (inc)
fortinet fortiproxy From 7.6.0 (inc) to 7.6.4 (inc)
fortinet fortiproxy From 7.6.0 (inc) to 7.6.4 (inc)
fortinet fortiswitchmanager From 7.2.0 (inc) to 7.2.7 (inc)
fortinet fortios From 7.4.0 (inc) to 7.4.9 (inc)
fortinet fortios From 7.4.0 (inc) to 7.4.9 (inc)
fortinet fortios From 7.4.0 (inc) to 7.4.9 (inc)
fortinet fortios From 7.4.0 (inc) to 7.4.9 (inc)
fortinet fortiswitchmanager From 7.2.0 (inc) to 7.2.7 (inc)
fortinet fortiproxy From 7.6.0 (inc) to 7.6.4 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is an improper verification of cryptographic signatures in certain versions of Fortinet FortiOS, FortiProxy, and FortiSwitchManager. It allows an unauthenticated attacker to bypass the FortiCloud Single Sign-On (SSO) login authentication by using a specially crafted SAML response message.


How can this vulnerability impact me? :

An attacker exploiting this vulnerability can bypass authentication without valid credentials, potentially gaining unauthorized access to systems protected by FortiCloud SSO. This can lead to full compromise of confidentiality, integrity, and availability of affected systems.


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart