CVE-2024-45519
Actively exploited. CVE-2024-45519 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-10-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2024-45519 is indexed in GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Synacor Zimbra Collaboration Suite (ZCS) contains an unspecified vulnerability in the postjournal service that may allow an unauthenticated user to execute commands.
CSIRTS triage
- What
- The unspecified vulnerability in the postjournal service may allow an unauthenticated user to execute commands.
- Who is affected
- Users of Synacor Zimbra Collaboration Suite are affected.
- Urgency
- Remediation is critical as the vulnerability is actively exploited and poses a severe risk.
- Action
- Update to the latest version of Zimbra Collaboration Suite.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2024-45519 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2024-45519: Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerabilitycisa-kev · 2024-10-03
External references
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[](https://www.csirts.com/cve/CVE-2024-45519)