What’s Vulnerable › Vulnerabilities

CVE-2024-11944: iXsystems TrueNAS CORE tarfile.extractall Directory Traversal Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-30 · updated 2026-06-17
• Weakness: CWE-22

Description

iXsystems TrueNAS CORE tarfile.extractall Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of iXsystems TrueNAS devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tarfile.extractall method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-25626.

Affected products

• iXsystems TrueNAS CORE: 13.0, 13.0-beta1, 13.0-rc1, 13.0-u1, 13.0-u1.1, 13.0-u2 (+10)

References

• https://www.truenas.com/docs/core/13.0/gettingstarted/corereleasenotes/#130-u63
• https://www.zerodayinitiative.com/advisories/ZDI-24-1643/

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