CVE-2025-0994—Trimble Cityworks Deserialization Vulnerability

Vulnerability Name

Trimble Cityworks Deserialization Vulnerability

Description

Trimble Cityworks contains 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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Additional Notes

• https://learn.assetlifecycle.trimble.com/i/1532182-cityworks-customer-communication-2025-02-05-docx/0?
• https://www.cisa.gov/news-events/ics-advisories/icsa-25-037-04
• https://nvd.nist.gov/vuln/detail/CVE-2025-0994

Related News Articles

• China-Linked TA416 Targets European Governments with PlugX and OAuth-Based PhishingApril 3, 2026
• Chinese hackers breach US local governments using Cityworks zero-dayMay 22, 2025
• Hackers exploit Cityworks RCE bug to breach Microsoft IIS serversFebruary 7, 2025

Related Weaknesses

• CWE-502