CVE-2022-37393

Name: CVE-2022-37393
Creator: NVD / NIST
Published: 2022-08-16T20:15:07.86+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.68%

Last modified Jun 17, 2026

CVE-2022-37393 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. As part of its intended functionality, zmslapd can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. As part of its intended functionality, zmslapd can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.68%

74.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions	Update
Zimbra	Collaboration	8.7.6	—
Zimbra	Collaboration	8.7.7	—
Zimbra	Collaboration	8.7.9	—
Zimbra	Collaboration	8.7.10	—
Zimbra	Collaboration	8.7.11	—
Zimbra	Collaboration	8.8.0	Beta1
Zimbra	Collaboration	8.8.2	—
Zimbra	Collaboration	8.8.3	—
Zimbra	Collaboration	8.8.4	—
Zimbra	Collaboration	8.8.6	—
Zimbra	Collaboration	8.8.7	—
Zimbra	Collaboration	8.8.8	—
Zimbra	Collaboration	8.8.9	—
Zimbra	Collaboration	8.8.10	—
Zimbra	Collaboration	8.8.11	—
Zimbra	Collaboration	8.8.12	—
Zimbra	Collaboration	8.8.15	—
Zimbra	Collaboration	9.0.0	P0

References

https://attackerkb.com/topics/92AeLOE1M1/cve-2022-37393/rapid7-analysisExploit, Third Party Advisory
https://darrenmartyn.ie/2021/10/27/zimbra-zmslapd-local-root-exploit/Exploit, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/16807Exploit, Patch, Third Party Advisory
https://attackerkb.com/topics/92AeLOE1M1/cve-2022-37393/rapid7-analysisExploit, Third Party Advisory
https://darrenmartyn.ie/2021/10/27/zimbra-zmslapd-local-root-exploit/Exploit, Third Party Advisory
https://github.com/rapid7/metasploit-framework/pull/16807Exploit, Patch, Third Party Advisory

Timeline

Published: Aug 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-37393?

How severe is CVE-2022-37393?

CVE-2022-37393 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37393?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37393?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST