Vulnerability in Synacor Zimbra Server
CVE-2022-37393
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.
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: 0.017 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Synacor Zimbra Server — versions 9.0.0.p27, 8.8.15.p34
- Zimbra Collaboration — versions 8.7.6, 8.7.7, 8.7.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/rapid7/metasploit-framework/pull/16807 (Exploit, Patch, Third Party Advisory)
- attackerkb.com/topics/92AeLOE1M1/cve-2022-37393/rapid7-analysis (Exploit, Third Party Advisory)
- darrenmartyn.ie/2021/10/27/zimbra-zmslapd-local-root-exploit/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-37393?
- CVE-2022-37393 is a high-severity vulnerability in Synacor Zimbra Server, classified under Improper Access Control. CVSS score: 7.8/10. Published 2022-08-16.
- How severe is CVE-2022-37393?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-37393 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.