CVE-2025-59718
Analyzed Analyzed - Analysis Complete
BaseFortify

Publication date: 2025-12-09

Last updated on: 2026-06-09

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.
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Meta Information
Published
2025-12-09
Last Modified
2026-06-09
Generated
2026-06-16
AI Q&A
2025-12-09
EPSS Evaluated
2026-06-14
NVD
CVE-2025-59718
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
siemens ruggedcom_ape1808_firmware *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
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Executive Summary

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.

Impact Analysis

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.

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