CVEs / CVE-2025-0994
CVE-2025-0994: Trimble Cityworks Deserialization Vulnerability
- Known exploited in the CISA KEV catalog since 7 Feb 2025
- high 8.8 CVSS 3.1 (NVD)
- EPSS 31.3% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Trimble Cityworks | before 15.8.9 | 15.8.9 |
| Trimble Cityworks (with office companion) | before 23.10 | 23.10 |
Exploitation
| In CISA KEV since | 7 Feb 2025 |
|---|---|
| Due date for US federal agencies | 28 Feb 2025 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-502 |
References
- CVE-2025-0994 on NVD
- CVE-2025-0994 in the CISA KEV catalog
- https://learn.assetlifecycle.trimble.com/i/1532182-cityworks-customer-communication-2025-02-05-docx/0? (cited by CISA)
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-037-04 (cited by CISA)
- https://learn.assetlifecycle.trimble.com/i/1532182-cityworks-customer-communication-2025-02-05-docx/0? Vendor Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-25-037-04 Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0994 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.