Multiple vulnerabilities in NEC Corporation EXPRESSCLUSTER X and EXPRESSCLUSTER SingleServerSafe

1) Missing Authorization

EUVDB-ID: #VU83323

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39544

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing authorization. A remote user can execute arbitrary commands on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

EXPRESSCLUSTER X: 1.0 - 5.1

EXPRESSCLUSTER X SingleServerSafe: 1.0 - 5.1

External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Files or Directories Accessible to External Parties

EUVDB-ID: #VU83324

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39545

CWE-ID: CWE-552 - Files or Directories Accessible to External Parties

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to files or directories accessible to external parties. A local user can obtain files containing credentials via HTTP API.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

EXPRESSCLUSTER X: 1.0 - 5.1

EXPRESSCLUSTER X SingleServerSafe: 1.0 - 5.1

External links

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

3) Use of Password Hash Instead of Password for Authentication

EUVDB-ID: #VU83325

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39546

CWE-ID: CWE-836 - Use of Password Hash Instead of Password for Authentication

Exploit availability: No

Description

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

The vulnerability exists due to use of password hash instead of password for authentication. A remote attacker can perform a Pass The Hash attack and atempt to log in to the product's WebUI as an administrator.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

EXPRESSCLUSTER X: 1.0 - 5.1

EXPRESSCLUSTER X SingleServerSafe: 1.0 - 5.1

External links

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

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.

4) Authentication Bypass by Capture-replay

EUVDB-ID: #VU83326

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39547

CWE-ID: CWE-294 - Authentication Bypass by Capture-replay

Exploit availability: No

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

External links

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

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.

5) Arbitrary file upload

EUVDB-ID: #VU83328

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-39548

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

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

External links

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

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.