What’s Vulnerable › Vulnerabilities

CVE-2022-37393: Zimbra zmslapd arbitrary module load

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-16 · updated 2026-06-17
• Weakness: CWE-284

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.

Affected products

• Zimbra Collaboration: 8.7.6, 8.7.7, 8.7.9, 8.7.10, 8.7.11, 8.7.11-p1 (+57)

References

• https://attackerkb.com/topics/92AeLOE1M1/cve-2022-37393/rapid7-analysis
• https://darrenmartyn.ie/2021/10/27/zimbra-zmslapd-local-root-exploit/
• https://github.com/rapid7/metasploit-framework/pull/16807
• https://attackerkb.com/topics/92AeLOE1M1/cve-2022-37393/rapid7-analysis
• https://darrenmartyn.ie/2021/10/27/zimbra-zmslapd-local-root-exploit/
• https://github.com/rapid7/metasploit-framework/pull/16807

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