Trimble Cityworks Deserialization Vulnerability
Trimble — Cityworks
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.
8.8
31.3%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- Feb 6, 2025
- Modified
- Jun 17, 2026
- Added to KEV
- Feb 7, 2025
- Federal patch due
- Feb 28, 2025
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
1 foundWeaponization
Public repositories whose name or description references CVE-2025-0994, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
References
How this class of flaw gets exploited
Frequently asked questions
What is CVE-2025-0994?
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.
How severe is CVE-2025-0994?
CVE-2025-0994 has a CVSS base score of 8.8 out of 10 (CVSS 3.1).
Is CVE-2025-0994 actively exploited in the wild?
Yes. CVE-2025-0994 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Feb 7, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2025-0994?
31.3% - meaning FIRST.org's EPSS model estimates a 31.3% probability this vulnerability will be exploited in the wild within 30 days (98% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2025-0994?
We found 1 public GitHub repository referencing CVE-2025-0994, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2025-0994?
CVE-2025-0994 is classified under CWE-502 (CWE-502 Deserialization of Untrusted Data).
Cross-checked against
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