Versa Director up to 22.1.4 shell-connect.py User command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in Versa Director up to 22.1.4. Impacted is an unknown function of the file shell-connect.py. Executing a manipulation of the argument User can lead to command injection. This vulnerability is tracked as CVE-2025-23170. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Versa Director up to 22.1.4. It has been declared as critical. This vulnerability affects some unknown functionality of the file shell-connect.py. The manipulation of the argument user with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The Versa Director SD-WAN orchestration platform includes functionality to initiate SSH sessions to remote CPEs and the Director shell via Shell-In-A-Box. The underlying Python script, shell-connect.py, is vulnerable to command injection through the user argument. This allows an attacker to execute arbitrary commands on the system. Exploitation Status: Versa Networks is not aware of any reported instance where this vulnerability was exploited. Proof of concept for this vulnerability has been disclosed by third party security researchers. Workarounds or Mitigation: There are no workarounds to disable the GUI option. Versa recommends that Director be upgraded to one of the remediated software versions.

The advisory is shared for download at security-portal.versa-networks.com. This vulnerability was named CVE-2025-23170 since 01/12/2025. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at support.versa-networks.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18674). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Versa

Name

• Director

Version

• 21.2.0
• 21.2.1
• 21.2.2
• 21.2.3
• 22.1.0
• 22.1.1
• 22.1.2
• 22.1.3
• 22.1.4

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Once again VulDB remains the best source for vulnerability data.

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