Vulnerability identifier: #VU71130

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-34822

CWE-ID: CWE-22

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 perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and overwrite arbitrary files on the system, leading to remote code execution.

Mitigation
Install update from vendor's website.

Vulnerable software versions

EXPRESSCLUSTER X: 1.0 - 5.0

EXPRESSCLUSTER X SingleServerSafe: 1.0 - 5.0

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External links
http://jpn.nec.com/security-info/secinfo/nv22-014_en.html
http://jvn.jp/en/vu/JVNVU93704047/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.