Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

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Summary

CVECVE-2022-37042
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-12 15:15:00 UTC
Updated2023-08-08 14:22:00 UTC
DescriptionZimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication (i.e., not having an authtoken), an attacker can upload arbitrary files to the system, leading to directory traversal and remote code execution. NOTE: this issue exists because of an incomplete fix for CVE-2022-27925.

Risk And Classification

EPSS: 0.887950000 probability, percentile 0.997610000 (date 2026-07-22)

CISA KEV: Listed on 2022-08-11; due 2022-09-01; ransomware use Known

Problem Types: CWE-22

CISA Known Exploited Vulnerability

VendorSynacor
ProductZimbra Collaboration Suite (ZCS)
NameSynacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/; https://nvd.nist.gov/vuln/detail/CVE-2022-37042

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Zimbra Collaboration 8.8.15 - All All
Application Zimbra Collaboration 9.0.0 - All All

References

ReferenceSourceLinkTags
packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.html MISC packetstormsecurity.com
wiki.zimbra.com/wiki/Zimbra_Security_Advisories MISC wiki.zimbra.com
wiki.zimbra.com/wiki/Security_Center MISC wiki.zimbra.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 377759 Zimbra Collaboration Suite Authentication Bypass Vulnerability

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