CVE-2022-41352An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0.
Updated under an hour ago ()
Does this affect you?
It affects synacor zimbra_collaboration_suite. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Oct 20, 2022; federal agencies had to remediate by Nov 10, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Oct 20, 2022; federal remediation due Nov 10, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 95.48% (percentile 100)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Sep 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
synacor zimbra_collaboration_suite synacor:zimbra_collaboration_suite | 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; and 55 more ranges | NVD |
References
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisoriesvendor-advisory
- https://wiki.zimbra.com/wiki/Security_Centerpatch, release-notes, vendor-advisory
- https://forums.zimbra.org/viewtopic.php?t=71153&p=306532mitigation, vendor-advisory
- http://packetstormsecurity.com/files/169458/Zimbra-Collaboration-Suite-TAR-Path-Traversal.htmlexploit, third-party-advisory, vdb-entry
- https://www.secpod.com/blog/unpatched-rce-bug-in-zimbra-collaboration-suite-exploited-in-wild/third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41352us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.