CVE-2022-37042Vulnerability
Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability
Reported by 2 independent sources · first reported by GreyNoise · last reported
Last reported 30 days ago
Fix due 1 Sep 2022
Used by ransomware: knownCISA KEV catalogue
higher than 99% of CVEsFIRST EPSS, as of 22 Oct 2026
What the reports say
2 reports, newest first · the exact sentence from each-
When Business Email Compromise Starts Rewriting Reality“Rapid7 tracked widespread exploitation of CVE-2022-27925 and CVE-2022-37042 in 2022, a path traversal chained with an authentication bypass that let attackers drop a JSP shell on a Zimbra server without credentials.”
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GreyNoise Detects Active Exploitation of CVEs Mentioned in Black Basta’s Leaked Chat Logs“CVE-2022-37042 – Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability”
Indicators reported together
named in the same reportsAlso named with it: CVE-2022-27925, CVE-2017-11882, CVE-2023-38831, CVE-2023-36884, CVE-2017-5753, CVE-2020-1472, CVE-2026-73570, CVE-2021-26855, CVE-2023-20198, CVE-2024-21762, CVE-2022-41082, CVE-2023-23397, CVE-2024-3400, CVE-2021-44228, CVE-2024-1709, CVE-2024-1708, CVE-2023-4966, CVE-2021-40444, CVE-2021-42278, CVE-2021-42287
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