Vulnerability identifier: #VU68977

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40981

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Remote Access Server (RAS)
Server applications / Remote access servers, VPN

Vendor: ETIC Telecom

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Remote Access Server (RAS): 4.5.0

---

External links
http://ics-cert.us-cert.gov/advisories/icsa-22-307-01

---

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.