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TI-2025-00837 Aliases CVE-2025-0994GHSA-m5q8-8x36-w25p

Deserialization of untrusted data in Trimble Cityworks

Priority CRITICAL 96Exploited in the wildCWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2025-02-07CISA due date 2025-02-28
EPSS 0.31309 98th percentileScored 2026-11-07
Fix Fixed Cityworks (Trimble): 15.8.9Cityworks (with office companion) (Trimble): 23.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TrimbleCityworksbefore 15.8.915.8.9Patch availableCNA
TrimbleCityworks (with office companion)before 23.1023.10Patch availableCNA
  • Cityworks VendorTrimble Affected before 15.8.9 Fixed in 15.8.9 Patch available CNA
  • Cityworks (with office companion) VendorTrimble Affected before 23.10 Fixed in 23.10 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:trimble:cityworks:*:*:*:*:*:*:*:*before 15.8.9; 23.0 to before 23.10VulnerableTrimble
  • cpe:2.3:a:trimble:cityworks:*:*:*:*:*:*:*:* Versions before 15.8.9; 23.0 to before 23.10 Vulnerable ·Trimble

Remediation

  • Fix · CNA Cityworks (Trimble) Fixed in 15.8.9
  • Fix · CNA Cityworks (with office companion) (Trimble) Fixed in 23.10

Timeline

  1. 2025-02-07 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2025-0994
  3. 2026-10-03 Alias added: GHSA-m5q8-8x36-w25p

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences