All vulnerabilities
CVE-2022-37042

Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

Synacor Zimbra Collaboration Suite (ZCS)Applications & CMS
Open in ThreatlineRecord JSON
CVSS
9.8Critical
ExploitationExploited in the wildAdded to KEV 11 Aug 2022. Known ransomware useCISA KEV
Exploit odds (EPSS)91.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline1 Sep 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 10 May 2022Exploit code publicMetasploit
  2. 11 Aug 2022Added to CISA KEVCISA KEV
  3. 11 Aug 2022, 19:37 UTCPublishedCVE List

Public exploit code and templates 2

  • Exploit moduleZip Path Traversal in Zimbra (mboximport) (CVE-2022-27925) 10 May 2022Metasploit
  • Scanner templateZimbra Collaboration Suite 8.8.15/9.0 - Remote Code ExecutionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Synacor Zimbra Collaboration Suite (ZCS) contains an authentication bypass vulnerability in MailboxImportServlet. This vulnerability was chained with CVE-2022-27925 which allows for unauthenticated remote code execution.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 5