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CVE-2022-27924

CISA KEV

Published August 4, 2022 · Updated April 3, 2026

high
Official Description+

Synacor Zimbra Collaboration Suite (ZCS) allows an attacker to inject memcache commands into a targeted instance which causes an overwrite of arbitrary cached entries.

Affected Products

VendorProduct
SynacorZimbra Collaboration Suite (ZCS)

Patch Status

Patch by 2022-08-25

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2022-27924.