CVE-2023-34992

CVE-2025-64155 chains argument injection and privilege escalation flaws in FortiSIEM to achieve remote root compromise.

Fortinet has released patches for a critical OS command injection vulnerability (CVE-2025-25256) in FortiSIEM, after practical exploit code surfaced in the wild. About CVE-2025-25256 FortiSIEM is a security information and event management platform used by organizations to collect, correlate and analyze logs, events, and alerts from across an organization’s IT and security infrastructure, to help detect threats and investigate incidents. CVE-2025-25256 is caused by improper neutralization of special elements and may allow unauthenticated attackers to … More →

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: RansomLord: Open-source anti-ransomware exploit tool RansomLord is an open-source tool that automates the creation of PE files, which are used to exploit ransomware pre-encryption. Attackers are probing Check Point Remote Access VPN devices Attackers are trying to gain access to Check Point VPN devices via local accounts protected only by passwords, the company has warned on Monday. Snowflake denies breach, … More →

Horizon3.ai researches have released proof-of-concept (PoC) exploits for CVE-2024-23108 and CVE-2023-34992, vulnerabilities that allow remote, unauthenticated command execution as root on certain Fortinet FortiSIEM appliances. CVE confusion FortiSIEM helps customers build an inventory of their organization’s assets, it aggregates logs and correlates information for threat detection and hunting, and allows automated response and remediation. CVE-2024-23108 and CVE-2024-23109 are OS command injection vulnerabilities in the FortiSIEM supervisor and can be exploited remotely, without authentication, with specially … More →

In November of 2023, preparing for a call for papers, I attempted to investigate the FortiSIEM patch for CVE-2023-34992. I kindly inquired with the PSIRT if I could have access to the most recent versions to some of their appliances to validate the patches, to which they declined. Acquiring access a different way, I eventually […]

In early 2023, given some early success in auditing Fortinet appliances, I continued the effort and landed upon the Fortinet FortiSIEM. Several issues were discovered during this audit that ultimately lead to unauthenticated remote code execution in the context of the root user. The vulnerabilities were assigned CVE-2023-34992 with a CVSS3.0 score of 10.0 given […]

Fortinet warns of two critical OS command injection vulnerabilities in FortiSIEM that could allow remote attackers to execute arbitrary code Cybersecurity vendor Fortinet warned of two critical vulnerabilities in FortiSIEM, tracked as CVE-2024-23108 and CVE-2024-23109 (CVSS score 10), which could lead to remote code execution. “Multiple improper neutralization of special elements used in an OS […]

Two critical OS command injection flaws in FortiSIEM could allow remote attackers to execute arbitrary code.

Fortinet warns of a critical OS command injection vulnerability in FortiSIEM report server that could be exploited to execute arbitrary commands. Fortinet is warning customers of a critical OS command injection vulnerability, tracked as CVE-2023-36553 (CVSS score 9.3), in FortiSIEM report server. A remote, unauthenticated attacker can exploit the flaw to execute commands by sending […]