Fortinet Critical Vulnerabilitiy Let Attackers Inject Commands Remotely

Fortinet, a global leader in cybersecurity solutions, has issued an urgent security advisory addressing two critical vulnerabilities affecting its FortiManager and FortiWLM products.

The vulnerabilities, which can allow unauthorized code execution and sensitive file read access, demand immediate attention to mitigate risks.

OS Command Injection in FortiManager (CVE-2023-34990)

A critical Improper Neutralization of Special Elements in OS Commands (‘OS Command Injection’) vulnerability, CVE-2024-48889, has been identified in FortiManager.

The flaw allows an authenticated remote attacker to execute unauthorized code via specially crafted FGFM (Fortinet secure communication protocol) requests.

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This vulnerability has been assigned a CVSSv3 score of 9.6, underlining its severity.

The vulnerability impacts a wide range of FortiManager versions, as well as certain legacy FortiAnalyzer hardware https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDUX5bURfgOZt1DIcuaR8FOlxLFaAyMnCtK1VbENJrGpolRv0zU_URF6eXvYLZM4HMXan7xEK1bAZxdLxScmvz8oj44IyicmeM3pnmN0Zdez94ryP-Ve9fQbbg1ir6Rcj3r5fVgW600aAgogFPXPcvdzW8uShWZNuBMG8KpKRXjWzKXks5xkWaEQ_NwWRa/s1600/fortinet-1.webpmodels with specific configurations enabled. Fortinet strongly recommends that users apply the patches promptly to protect their systems.

Affected Versions and Solutions: FortiManager

Version	Affected Builds	Solution
FortiManager 7.6	7.6.0	Upgrade to 7.6.1 or above
FortiManager 7.4	7.4.0 through 7.4.4	Upgrade to 7.4.5 or above
FortiManager 7.4 Cloud	7.4.1 through 7.4.4	Upgrade to 7.4.5 or above
FortiManager 7.2	7.2.3 through 7.2.7	Upgrade to 7.2.8 or above
FortiManager 7.2 Cloud	7.2.1 through 7.2.7	Upgrade to 7.2.8 or above
FortiManager 7.0	7.0.5 through 7.0.12	Upgrade to 7.0.13 or above
FortiManager 7.0 Cloud	7.0.1 through 7.0.12	Upgrade to 7.0.13 or above
FortiManager 6.4	6.4.10 through 6.4.14	Upgrade to 6.4.15 or above

Legacy FortiAnalyzer models such as 1000E, 3000F, and 3700G are also impacted if configured with the following settings:

config system global
set fmg-status enable
end

Limited File Read in FortiWLM (CVE-2023-34990)

An Unauthenticated Limited File Read vulnerability, CVE-2023-34990, has been discovered in Fortinet’s FortiWLM (Wireless Manager).

The flaw enables unauthenticated remote attackers to retrieve sensitive files via relative path traversal. This poses risks of data leakage and potential breaches of sensitive information.

Fortinet has acknowledged researcher Zach Hanley (@hacks_zach) of Horizon3.ai for responsibly disclosing this issue.

Affected Versions and Solutions: FortiWLM

Version	Affected Builds	Solution
FortiWLM 8.6	8.6.0 through 8.6.5	Upgrade to 8.6.6 or above
FortiWLM 8.5	8.5.0 through 8.5.4	Upgrade to 8.5.5 or above

Fortinet customers are strongly advised to upgrade their affected products as soon as possible to mitigate the risks associated with these vulnerabilities. The patches are available via Fortinet’s official website or support portal.

Fortinet expressed gratitude to the cybersecurity community for their contributions toward keeping systems secure, specifically recognizing Zach Hanley of Horizon3.ai for discovering and reporting the FortiWLM vulnerability responsibly.

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