CVE-2025-0994
Published 2025-02-06 · Updated 2026-06-17 · Source ics-cert@hq.dhs.gov
Summary
CVE-2025-0994 is a high-severity (CVSS 8.8) vulnerability in Trimble Cityworks. CISA added it to the Known Exploited Vulnerabilities catalog on February 7, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by February 28, 2025. CISA does not currently list it as used in ransomware campaigns.
All 1 known-exploited Trimble vulnerabilities →Description
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.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA Known-Exploited Vulnerability
Product: Trimble — Cityworks
Name: Trimble Cityworks Deserialization Vulnerability
Date added: 2025-02-07 · Due: 2025-02-28
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

