CVE-2022-37042CISA KEVEPSS p99.8%

CVE-2022-37042Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

Synacor / Zimbra Collaboration Suite (ZCS)

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.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS91.89% probability of exploitation · percentile 99.8% · 2026-10-05T12:00:23Z
Last modified2026-08-04

CISA KEV entry

Added to KEV: 2022-08-11

(incoming)1

TypeTargetConfidenceTier
KEVEntrySynacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerabilitykev-cve-2022-370420%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
CVE
Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability
CVE
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
CVE
Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability
CVE
Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability
CVE
Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.