SB2021120301 - Improper Certificate Validation in Hitachi Energy PCM600 Update Manager
Published: December 3, 2021
Security Bulletin ID
SB2021120301
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2021-22278)
CWE-ID: CWE-295 - Improper Certificate Validation
CVSSv4: 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
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.
Remediation
Install update from vendor's website.