ClosedCriticalPatched

Synacor Zimbra Collaboration Suite (ZCS) Command Execution

Synacor Zimbra Collaboration Suite (ZCS)

Synacor Zimbra Collaboration Suite (ZCS) contains an unspecified vulnerability in the postjournal service that may allow an unauthenticated user to execute commands. Added to the CISA KEV catalog on 2024-10-03.

Why this severity: CVSS 10 (v3.1, CNA), actively exploited (CISA KEV)

Started: Oct 2, 2024
Closed: Oct 3, 2024
CVE: CVE-2024-45519

Follow this incident

Updated Oct 3, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline2

Oct 3, 2024
CISA added CVE-2024-45519 to the KEV catalog (federal deadline 2024-10-24)
Source
Oct 2, 2024
CVE-2024-45519 published
Source

Advisories3

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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