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CVE-2022-41352

CriticalCVSS 9.8 / 10
Published Sep 26, 2022·Last modified Apr 10, 2026
Affected Components(0)

No affected components available

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.

Risk Scores
Base Score
9.8

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
9.8

Active exploitation in the wild has been confirmed. Immediate patching or mitigation is required.

EPSS
95.48%

The exploit probability is critical. The vulnerability is very likely to be exploited in the next 30 days.

Exploit
3 exploits

3 exploits found for this vulnerability.

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