CVE-2022-27924 — Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability

CVE-2022-27924

HIGH · CVSS 7.5 ⚠ KEV — EXPLOITED

EPSS exploitation probability: 100%

⚠ Listed in the CISA Known Exploited Vulnerabilities catalog — actively exploited.

Published 2022-08-04 · Last modified 2026-08-04T05:16:27.777

Summary

Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache commands becomes unescaped, causing an overwrite of arbitrary cached entries.

Affected products

Synacor — Zimbra Collaboration Suite (ZCS)

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References

NVD entry
CVE.org record

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.