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9.8
CVSS
Critical

CVE-2022-41352

PUBLISHED

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole...

Exploited in the wild Remote Low complexity No user interaction
Vendor
Zimbra
Product
Collaboration
Published
Sep 26, 2022
EPSS
—

Description

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole (extraction to /opt/zimbra/jetty/webapps/zimbra/public) that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also, pax is in the prerequisites of Zimbra on Ubuntu; however, pax is no longer part of a default Red Hat installation after RHEL 6 (or CentOS 6). Once pax is installed, amavis automatically prefers it over cpio.

cisa nuclei_scanner metasploit

CVSS scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation status

Exploited in the wild

Recorded 2022-10-20 00:00:00 UTC · Source

SSVC decision points

Exploitation
active
Automatable
Yes
Technical impact
total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Oct 20, 2022

Scanner integrations

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-41352.yaml Jun 01, 2026
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/zimbra_cpio_cve_2022_41352.rb Apr 28, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

zimbra_cpio_cve_2022_41352

metasploit · Created Unknown

Metasploit module for CVE-2022-41352

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Metasploit

  • Detected by Nuclei