Cyber Resilience

CVE-2022-3569

HighPublic PoC

Published: 17 October 2022

Published
17 October 2022
Modified
13 May 2025
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0284 86.5th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-3569 is a high-severity Privilege Dropping / Lowering Errors (CWE-271) vulnerability in Synacor Zimbra Collaboration Suite. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 13.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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'.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

synacor
zimbra collaboration suite
≤ 9.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-271

Mandates lowering or adjusting privileges to match new operational needs, reducing errors in privilege dropping during transfers.

References