CVE-2022-41347

7.8 highEPSS 0.4%

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.x and 9.x (e.g., 8.8.15). The Sudo configuration permits the zimbra user to execute the NGINX binary as root with arbitrary parameters. As part of its intended functionality, NGINX can load a user-defined configuration file, which includes plugins in the form of .so files, which also execute as root.

Severity

CVSS 3.1

7.8 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
Published: 2022-09-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zimbra:collaboration

References

https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/
https://github.com/darrenmartyn/zimbra-hinginx
https://wiki.zimbra.com/wiki/Security_Center
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/

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