Vulnerability in Zimbra Collaboration
CVE-2022-41347
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Zimbra Collaboration — versions 8.8.15, 9.0.0
References
- wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
- wiki.zimbra.com/wiki/Security_Center (Patch, Vendor Advisory)
- darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/ (Exploit, Third Party Advisory)
- github.com/darrenmartyn/zimbra-hinginx (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41347?
- CVE-2022-41347 is a high-severity vulnerability in Zimbra Collaboration. CVSS score: 7.8/10. Published 2022-09-26.
- How severe is CVE-2022-41347?
- High severity. CVSS v3 base score is 7.8 out of 10.