0Xmesbaha

**Name of the Vulnerable Software and Affected Versions** Issabel PBX version 4.0.0 **Description** A critical issue affects the processing of the file /index.php?menu=asterisk cli of the component Asterisk-Cli. The manipulation of the argument `Command` leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. **Recommendations** For Issabel PBX version 4.0.0, as a temporary workaround, consider disabling the `Command` argument in the /index.php?menu=asterisk cli file until a patch is available. Restrict access to the Asterisk-Cli component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.