Is CVE-2022-37042 actively exploited?

Yes. CVE-2022-37042 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-37042 be exploited remotely?

The attack vector of CVE-2022-37042 has not been classified yet.

What is the CVSS score of CVE-2022-37042?

CVE-2022-37042 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-37042

HIGHCISA KEVIN THE WILD

CVE-2022-37042

Published: August 11, 2022

EPSS:94.33%probability of exploitation in 30 daysPercentile:100.0th

Official 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.

NVD Source

CISA KEV Advisory

Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

Added to KEV: 2022-08-11Federal patch deadline: 2022-09-01⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Synacor Zimbra Collaboration Suite (ZCS) has an authentication bypass vulnerability in MailboxImportServlet, which was chained with another vulnerability (CVE-2022-27925) to achieve unauthenticated remote code execution. The high EPSS score of 0.94333 indicates a very high likelihood of exploitation, making this an urgent concern. This vulnerability is confirmed as exploited by CISA.

This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. The chaining with another vulnerability for unauthenticated remote code execution highlights its severe remote exploitability.

Recommended Action

Apply the latest security patches for Synacor Zimbra Collaboration Suite (ZCS) immediately. Review and harden authentication mechanisms and access controls for MailboxImportServlet.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-37042 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-37042 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.