#VU78027 OS Command Injection in Milesight VPN - CVE-2023-22371

Vulnerability identifier: #VU78027

Vulnerability risk: High

CVSSv4.0: 6.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-22371

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Milesight VPN
Server applications / Remote access servers, VPN

Vendor: Milesight

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the liburvpn.so create_private_key functionality. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Milesight VPN: 2.0.2

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1703

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.