CVE-2025-62439

An Improper Verification of Source of a Communication Channel vulnerability CWE-940 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow an authenticated user with knowledge of FSSO policy configurations t...

CVE-2026-22153

An Authentication Bypass by Primary Weakness vulnerability CWE-305 vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4 may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, when the remote LDAP server is configured in a specific way...

Fortinet FortiOS security vulnerabilities

Fortinet FortiOS is a security operating system developed by the American company Fortinet, specifically designed for use with the FortiGate network security platform. This system offers users various security features, including firewalls, antivirus protection, IPSec/SSLVPN, web content filterin...

Fortinet FSSO Collector Agent Authorization Issue Vulnerability

The Fortinet FSSO Collector Agent is a small software program from Fortinet, Inc. that notifies the N4L Managed Router when a user authenticates to the network. An authorization issue vulnerability exists in FSSO Collector that stems from the system's efforts to properly restrict access from...

PT-2021-7635

Name of the Vulnerable Software and Affected Versions Fortinet Single Sign-On FSSO Collector versions 5.0.295 and below Description The issue is related to an improper authentication mechanism in the FSSO Collector, which can be exploited by a remote attacker to gain access to the protected...

Fortinet Single Sign On Hello Message Multiple Vulnerabilities (CVE-2015-2281)

Multiple Vulnerabilities exists in Fortinet Single Sign On FSSO. The vulnerabilities are due to a lack of adequate validation of user supplied input when processing HELLO messages. A remote, unauthenticated attacker could exploit these vulnerabilities by sending a specially crafted HELLO message ...

PT-2015-5694

Name of the Vulnerable Software and Affected Versions Fortinet Single Sign On FSSO versions prior to build 164 Description The issue is related to a stack-based buffer overflow in the collectoragent.exe component. This can be exploited by remote attackers who send a large PROCESS HELLO message to...

CVE-2015-2281: Improper Restriction of Operations within the Bounds of a Memory Buffer

Stack-based buffer overflow in collectoragent.exe in Fortinet Single Sign On FSSO before build 164 allows remote attackers to execute arbitrary code via a large PROCESSHELLO message to the Message Dispatcher on TCP port 8000...

Fortinet Single Sign On Stack Overflow

Advisory ID Internal CORE-2015-0006 1. Advisory Information Title: Fortinet Single Sign On Stack Overflow Advisory ID: CORE-2015-0006 Advisory URL:https://www.coresecurity.com/advisories/fortinet-single-sign-on-stack-overflow Date published: 2015-03-18 Date of last update: 2015-03-18 Vendors...

[CORE-2015-0006] - Fortinet Single Sign On Stack Overflow

Advisory Information Title: Fortinet Single Sign On Stack Overflow Advisory ID: CORE-2015-0006 Advisory URL: http://www.coresecurity.com/advisories/fortinet-single-sign-on-stack-overflow Date published: 2015-03-18 Date of last update: 2015-03-18 Vendors contacted: Fortinet Release mode:...

Fortinet Single Sign On - Stack Overflow

Fortinet Single Sign On - Stack Overflow 1. Advisory Information Title: Fortinet Single Sign On Stack Overflow Advisory ID: CORE-2015-0006 Advisory URL: http://www.coresecurity.com/advisories/fortinet-single-sign-on-stack-overflow Date published: 2015-03-18 Date of last update: 2015-03-18 Vendors...