Arbitrary file upload in Versa Networks Director

1) Arbitrary file upload

EUVDB-ID: #VU96491

Risk: High

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2024-39717

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote authenticated user can upload a malicious file and execute it on the server.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Versa Director: 21.2.3 - 22.1.3

CPE2.3

• cpe:2.3:a:versa_networks:versa_director:21.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:versa_networks:versa_director:22.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:versa_networks:versa_director:22.1.3:*:*:*:*:*:*:*

External links

https://support.versa-networks.com/support/solutions/articles/23000026724-versa-director-ha-port-exploit-discovery-remediation
https://support.versa-networks.com/support/solutions/articles/23000024323-release-21-2-3
https://support.versa-networks.com/support/solutions/articles/23000025680-release-22-1-2
https://support.versa-networks.com/support/solutions/articles/23000026033-release-22-1-3
https://versa-networks.com/blog/versa-security-bulletin-update-on-cve-2024-39717-versa-director-dangerous-file-type-upload-vulnerability/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.