#VU83326 Authentication Bypass by Capture-replay in EXPRESSCLUSTER X and EXPRESSCLUSTER X SingleServerSafe - CVE-2023-39547

Vulnerability identifier: #VU83326

Vulnerability risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-39547

CWE-ID: CWE-294

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
EXPRESSCLUSTER X
Other software / Other software solutions
EXPRESSCLUSTER X SingleServerSafe
Other software / Other software solutions

Vendor: NEC Corporation

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authentication bypass by capture-replay. A remote attacker on the local network can gain access to sensitive information such as configuration files.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

EXPRESSCLUSTER X: 1.0 - 5.1

EXPRESSCLUSTER X SingleServerSafe: 1.0 - 5.1

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External links
https://jpn.nec.com/security-info/secinfo/nv23-009_en.html
https://jvn.jp/en/vu/JVNVU98954968/index.html

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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.