#VU83328 Arbitrary file upload in EXPRESSCLUSTER X and EXPRESSCLUSTER X SingleServerSafe - CVE-2023-39548

Vulnerability identifier: #VU83328

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-39548

CWE-ID: CWE-434

Exploitation vector: 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 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

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 Internet.

Is there known malware, which exploits this vulnerability?

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