Improper Authentication in multiple NEC Products

1) Improper Authentication

EUVDB-ID: #VU49229

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5633

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in Remote Management Control Protocol (RMCP) connection using IPMI over LAN. A remote attacker can bypass authentication process and gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Express5800/T110j: 1.09

Express5800/T110j-S: 1.09

Express5800/T110j (2nd-Gen): 1.09

Express5800/T110j-S (2nd-Gen): 1.09

iStorage NS100Ti: 1.09

External links

http://jvn.jp/en/jp/JVN38752718/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.