RCE in Synacor Zimbra_collaboration_suite
CVE-2024-45519
The postjournal service in Zimbra Collaboration (ZCS) before 8.8.15 Patch 46, 9 before 9.0.0 Patch 41, 10 before 10.0.9, and 10.1 before 10.1.1 sometimes allows unauthenticated users to execute commands.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.999 (100.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Synacor Zimbra_collaboration_suite — versions 8.8.15, 9.0.0, 10.1.0
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Not Applicable)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Release Notes)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2024-45519?
- CVE-2024-45519 is a critical-severity vulnerability in Synacor Zimbra_collaboration_suite, classified under OS Command Injection. CVSS score: 10.0/10. Published 2024-10-02.
- How severe is CVE-2024-45519?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2024-45519 known to be exploited?
- Yes. CVE-2024-45519 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-10-03), indicating it is being actively exploited. 32 public proof-of-concept repositories are indexed.