Actively exploited in the wild
Trimble Cityworks Deserialization Vulnerability
Trimble - Cityworks · Listed in the CISA KEV since 2025-02-07. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2025-0994
HighCVSS 8.8KEVSummary
Trimble Cityworks versions prior to 15.8.9 and Cityworks with office companion versions prior to 23.10 are vulnerable to a deserialization vulnerability. This could allow an authenticated user to perform a remote code execution attack against a customer’s Microsoft Internet Information Services (IIS) web server.
Risk Assessment
The risk includes potential remote code execution by an authenticated user, which could lead to compromise of the IIS server and system integrity.
Recommendation
Update Trimble Cityworks to version 15.8.9 or later, and Cityworks with office companion to version 23.10 or later.
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Original NVD description (English source)
Trimble Cityworks versions prior to 15.8.9 and Cityworks with office companion versions prior to 23.10 are vulnerable to a deserialization vulnerability. This could allow an authenticated user to perform a remote code execution attack against a customer’s Microsoft Internet Information Services (IIS) web server.