Exploited vulnerability · CISA KEV

Is CVE-2025-0994 exploited? Yes: in CISA KEV since 7 Feb 2025

Gociux · Trimble Cityworks · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-0994, Trimble Cityworks Deserialization Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 7 Feb 2025, 1 days after it was published. It affects Trimble Cityworks. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

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.

What to do

1. Check whether you run it. Look for Cityworks in your asset inventory, including appliances and cloud images. Stack check lists every exploited Trimble CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 6 Feb 2025.
4. Get told next time. Email alerts when CISA adds a CVE for Trimble.

References

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

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in February 2025 · act-now radar.