CVE-2025-0994: Trimble Cityworks Deserialization Vulnerability

CISA Known Exploited Vulnerability (KEV)

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.

Required action (CISA)

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

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

Weakness behind it

CISA records this vulnerability as an instance of CWE-502. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-0994
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog