#VU58499 Improper Certificate Validation in PCM600 Update Manager - CVE-2021-22278

Vulnerability identifier: #VU58499

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22278

CWE-ID: CWE-295

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PCM600 Update Manager
Other software / Other software solutions

Vendor: Hitachi Energy

Description

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

The vulnerability exists due to improper certificate validation. A local user can create software packages, sign those packages with specially crafted certificates and point the PCM600 update server location to a different location.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PCM600 Update Manager: 2.1 - 2.4.20119.2

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External links
https://search.abb.com/library/Download.aspx?DocumentID=2NGA001142&LanguageCode=en&DocumentPartId=&Action=Launch
https://search.abb.com/library/Download.aspx?DocumentID=8DBD000056&LanguageCode=en&DocumentPartId=&Action=Launch

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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.