File Upload Vulnerability in Zimbra Collaboration Suite by Zimbra
CVE-2022-37042

9.8CRITICAL

Key Information:

Vendor: Zimbra
Status: Collaboration
Vendor: CVE Published:; 12 August 2022

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

What is CVE-2022-37042?

The Zimbra Collaboration Suite (ZCS) has a file upload vulnerability in its mboximport functionality that allows attackers to bypass authentication and upload arbitrary files by exploiting a ZIP archive. This can lead to directory traversal and remote code execution, potentially compromising the integrity and security of the affected systems. This vulnerability arose due to an incomplete fix for a previous issue, underscoring the importance of robust security measures.

CISA has reported CVE-2022-37042

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2022-37042 as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.