RVC-Project Retrieval-based-Voice-Conversion-WebUI up to 2.2.231006 click_train exp_dir1 command injection

Summaryinfo

A vulnerability identified as critical has been detected in RVC-Project Retrieval-based-Voice-Conversion-WebUI up to 2.2.231006. Affected by this vulnerability is the function click_train. The manipulation of the argument exp_dir1 leads to command injection. This vulnerability is referenced as CVE-2025-43844. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in RVC-Project Retrieval-based-Voice-Conversion-WebUI up to 2.2.231006. This issue affects the function click_train. The manipulation of the argument exp_dir1 with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Retrieval-based-Voice-Conversion-WebUI is a voice changing framework based on VITS. Versions 2.2.231006 and prior are vulnerable to command injection. The variables exp_dir1, among others, take user input and pass it to the click_train function, which concatenates them into a command that is run on the server. This can lead to arbitrary command execution. As of time of publication, no known patches exist.

The advisory is shared at securitylab.github.com. The identification of this vulnerability is CVE-2025-43844 since 04/17/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/01/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Project Management Software

Vendor

• RVC-Project

Name

• Retrieval-based-Voice-Conversion-WebUI

Version

• 2.2.231006

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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