CVE-2025-0994: Trimble Cityworks · Deserialization of Untrusted Data
Affects Trimble CityworksSource CVE Database V5
Exploited in the wild · KEV due 28 Feb 2025 · 31% EPSS : apply the vendor's fix or mitigations to Trimble Cityworks now.
Data as of 25 Oct 2026, 19:02 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 31.0% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 6 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 1 day after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by icscert
, 3 days before disclosure
CVE published
on cve.org
, t = 0
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 1 day after disclosure
KEV remediation due
US federal deadline
, 22 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Trimble Cityworks | Affected
| Fixed in– |
Description
CVE-2025-0994 is a high-severity deserialization vulnerability in Trimble Cityworks versions prior to 15.8.9 and Cityworks with office companion versions prior to 23.10. It allows an authenticated user to execute remote code on the Microsoft IIS web server hosting the application. The vulnerability arises from unsafe deserialization of untrusted data. No known exploits are reported in the wild. Patch status is not confirmed from the provided data.