CVE-2022-27925: Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability

CVE-2022-27925 · Severity: critical · CVSS 7.2 · Exploited in the wild · Published 2022-08-11

Synacor Zimbra Collaboration Suite (ZCS) contains a directory traversal vulnerability in its mboximport functionality. An authenticated administrator can upload a malicious ZIP archive to extract arbitrary files to the system, potentially leading to remote code execution. This vulnerability has been observed being chained with CVE-2022-37042 to achieve unauthenticated remote code execution.

Technologies: Synacor Zimbra Collaboration Suite (ZCS). Vendors: Synacor.

Quick answers

Is CVE-2022-27925 exploited in the wild?
Yes. CVE-2022-27925 is known to be exploited in the wild, first recorded on 11 August 2022. Treat it as urgent.
How severe is CVE-2022-27925?
Critical severity, with a CVSS score of 7.2, published 11 August 2022.
Which products and versions are affected?
Synacor Zimbra Collaboration Suite (ZCS) 8.8.15, 9.0.0.
Is there a fix for CVE-2022-27925?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-27925 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2022-27925?
Check whether you run Synacor Zimbra Collaboration Suite (ZCS). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Synacor Zimbra Collaboration Suite (ZCS) 8.8.15, 9.0.0

Timeline

  • 2022-08-11: disclosed
  • 2022-08-11: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-08-11: advisory

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.