Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability

Summary

CVECVE-2022-27924
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-04-21 00:15:00 UTC
Updated2022-05-03 12:59:00 UTC
DescriptionZimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache commands becomes unescaped, causing an overwrite of arbitrary cached entries.

Risk And Classification

EPSS: 0.912080000 probability, percentile 0.996470000 (date 2026-04-01)

CISA KEV: Listed on 2022-08-04; due 2022-08-25; ransomware use Known

Problem Types: CWE-74

CISA Known Exploited Vulnerability

VendorSynacor
ProductZimbra Collaboration Suite (ZCS)
NameSynacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24.1#Security_Fixes; https://nvd.nist.gov/vuln/detail/CVE-2022-27924

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
wiki.zimbra.com/wiki/Zimbra_Security_Advisories MISC wiki.zimbra.com
wiki.zimbra.com/wiki/Security_Center MISC wiki.zimbra.com
Zimbra Releases/9.0.0/P24 - Zimbra :: Tech 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

  • 376769 Zimbra Collaboration Multiple Vulnerabilities
  • 378336 Zimbra Collaboration Suite (ZCS) Multiple Vulnerabilities
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