#VU84810 Information disclosure in VR-S1000 - CVE-2023-51363

Vulnerability identifier: #VU84810

Vulnerability risk: Low

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

CVE-ID: CVE-2023-51363

CWE-ID: CWE-200

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
VR-S1000
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: BUFFALO INC.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application's web interface. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VR-S1000: before 2.42

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External links
https://www.buffalo.jp/news/detail/20231225-01.html
https://jvn.jp/en/jp/JVN23771490/

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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.