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9.8
CVSS
Critical

CVE-2022-37042

PUBLISHED

Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing...

Exploited in the wild Used in malware Remote Low complexity No user interaction
Vendor
Zimbra
Product
Collaboration Suite
Published
Aug 11, 2022
EPSS
94.3% · 100% pctl

Description

Zimbra 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.

cisa malware ransomware nuclei_scanner metasploit

CVSS scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation status

Exploited in the wild

Recorded 2022-08-11 00:00:00 UTC · Source

Used in malware

Recorded 2022-08-11 00:00:00 UTC · Source

SSVC decision points

Exploitation
active
Automatable
Yes
Technical impact
total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Aug 11, 2022
The Shadowserver (via CIRCL) Jun 01, 2026

Scanner integrations

Scanner Reference Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/zimbra_mboximport_cve_2022_27925.rb Apr 28, 2025
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-37042.yaml Apr 25, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

zimbra_mboximport_cve_2022_27925

metasploit · Created Unknown

Metasploit module for CVE-2022-37042

0xf4n9x/CVE-2022-37042

github · Created 2022-10-24 10:10:45 UTC · 30 stars

CVE-2022-37042 Zimbra Auth Bypass leads to RCE

aels/CVE-2022-37042

github · Created 2022-08-25 10:43:13 UTC · 19 stars

Zimbra CVE-2022-37042 Nuclei weaponized template

GreyNoise-Intelligence/Zimbra_CVE-2022-37042-_CVE-2022-27925

github · Created 2022-08-18 18:39:39 UTC · 7 stars

Timeline

  • CVE ID Reserved

  • Exploit Used in Malware

  • Added to KEVIntel

  • CVE Published to Public

  • Detected by Nuclei

  • Detected by Metasploit

  • Added to KEVIntel