CVE-2025-0994
Trimble Cityworks Deserialization Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 February 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 4.0
- 8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 31.09% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 7 February 2025 · due 28 February 2025
- Weakness
- CWE-502
- Affected
- trimble/cityworks
- Source
- ics-cert@hq.dhs.gov
EPSS 31.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. 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
References
- 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-25-037-04Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0994US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.