#VU78029 Use of Hard-coded Cryptographic Key in Milesight VPN - CVE-2023-22844

Vulnerability identifier: #VU78029

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-22844

CWE-ID: CWE-321

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 compromise the target system.

The vulnerability exists due to a hardcoded encryption key in the requestHandlers.js verifyToken functionality. A remote attacker can use a specially crafted network request and bypass authentication.

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

Vulnerable software versions

Milesight VPN: 2.0.2

---

External links
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1700

---

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.