CVE-2022-27925 in Zimbra and Synacor Products
Published on April 21, 2022
Known Exploited Vulnerability
This Zimbra Collaboration (ZCS) Arbitrary File Upload Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Zimbra Collaboration (ZCS) contains flaw in the mboximport functionality, allowing an authenticated attacker to upload arbitrary files to perform remote code execution. This vulnerability was chained with CVE-2022-37042 which allows for unauthenticated remote code execution.
The following remediation steps are recommended / required by September 1, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2022-27925 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2022-27925 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2022-27925
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.