FortiOS 7.0.x Auth Bypass via Node.js WebSocket (CWE-288)
CVE-2024-55591 Published on January 14, 2025
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0 through 7.0.19 and 7.2.0 through 7.2.12 allows a remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.
Known Exploited Vulnerability
This Fortinet FortiOS Authorization Bypass Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Fortinet FortiOS contains an authorization bypass vulnerability that may allow an unauthenticated remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.
The following remediation steps are recommended / required by January 21, 2025: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2024-55591 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Authentication Bypass Using an Alternate Path or Channel
A product requires authentication, but the product has an alternate path or channel that does not require authentication.
Products Associated with CVE-2024-55591
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Affected Versions
Fortinet FortiOS:- Version 7.0.0, <= 7.0.16 is affected.
- Version 7.2.0, <= 7.2.12 is affected.
- Version 7.0.0, <= 7.0.19 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.