#VU78739 Insecure Default Initialization of Resource in Remote Access Server (RAS) - CVE-2023-3453

Vulnerability identifier: #VU78739

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3453

CWE-ID: CWE-1188

Exploitation vector: Local 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 the target system.

The vulnerability exists due to the web management portal authentication is disabled by default. A remote attacker on the local network can alter the configuration of the device or cause a denial of service condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Remote Access Server (RAS): 4.7

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-01

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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