# CVE-2022-27925: Zimbra Collaboration - RCE

> Live exploitation tracking for CVE-2022-27925 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2022-27925

## Key facts

- **Exploitation phase:** Background Noise. Continuous low-level scanning or exploitation attempts are observed, mostly opportunistic and automated.
- **CVSS score:** 7.2
- **Public exploit available:** Yes
- **Affected products:** Zimbra Collaboration Suite
- **Weaknesses:** CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Description

Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal.

## CrowdSec analysis

[CVE-2022-27925](https://euvd.enisa.europa.eu/vulnerability/CVE-2022-27925) is a vulnerability in Zimbra Collaboration that can allow authenticated administrators to upload arbitrary files via the backup import feature, resulting in directory traversal and potential system compromise.

CrowdSec has been tracking this vulnerability and its exploits since 1st of April 2025.

CrowdSec network data shows that most actors exploiting CVE-2022-27925 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature.
Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2022-27925 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2022-27925 is currently experiencing high visibility and active exploitation across the internet.

Indicators of exploitation include requests to URLs containing `/service/extension/backup/mboximport`.

## Timeline

- 2022-04-20: CVE Published. CVE-2022-27925 is published to NVD.
- 2022-08-11: CISA KEV. CVE-2022-27925 is added to the Known Exploited Vulnerabilities catalog by CISA.
- 2022-09-01: CISA Remediation Deadline. Expiration of the CISA remediation deadline as described in [BOD 22-01](https://www.cisa.gov/news-events/directives/bod-22-01-reducing-significant-risk-known-exploited-vulnerabilities).
- 2025-04-01: Rule Released. CrowdSec releases a rule to detect CVE-2022-27925 exploitation attempts against the CrowdSec Network.
- 2025-04-01: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2022-27925 for the first time.

## References

- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2022-27925) follows observed exploitation activity for CVE-2022-27925. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.