# CVE-2025-0994: Trimble Cityworks Deserialization Vulnerability

Source: https://junglewise.ai/threats/cve-2025-0994-trimble-cityworks-deserialization-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-02-07. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

CVE-2025-0994 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2025-02-07

Trimble Cityworks contains a deserialization of untrusted data vulnerability (CWE-502). An authenticated attacker can exploit this flaw to achieve remote code execution on the underlying Microsoft Internet Information Services (IIS) web server.

Vendors: [Trimble](https://junglewise.ai/threats/vendors/trimble).

## Quick answers

**Is CVE-2025-0994 exploited in the wild?** Yes. CVE-2025-0994 is known to be exploited in the wild, first recorded on 7 February 2025. Treat it as urgent.

**How severe is CVE-2025-0994?** Critical severity, with a CVSS score of 8.8, published 7 February 2025.

**Which products and versions are affected?** Trimble Cityworks prior to 15.8.9; Trimble Cityworks with Office Companion prior to 23.10.

**Is there a fix for CVE-2025-0994?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2025-0994 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2025-0994?** Check whether you run Trimble Cityworks. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Trimble Cityworks prior to 15.8.9
- Trimble Cityworks with Office Companion prior to 23.10

## Timeline

- 2025-02-05: advisory: Vendor advisory released by Trimble.
- 2025-02-06: disclosed: NVD Published Date.
- 2025-02-07: kev added: Added to CISA Known Exploited Vulnerabilities (KEV) catalog.
- 2025-02-07: exploited: Reported as exploited in the wild.