#VU84597 Improper Restriction of Excessive Authentication Attempts in ETL3100 - CVE-2023-6928

Vulnerability identifier: #VU84597

Vulnerability risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2023-6928

CWE-ID: CWE-307

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ETL3100
Hardware solutions / Firmware

Vendor: Eurotel

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper restriction of excessive authentication attempts. A remote attacker can perform a brute-force attack on the system and guess administrative credentials.

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

Vulnerable software versions

ETL3100: 01c01 - 01x37

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-23-353-05

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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. However, proof of concept for this vulnerability is available.