#VU103713 Deserialization of Untrusted Data in Cityworks and Cityworks with office companion - CVE-2025-0994

Vulnerability identifier: #VU103713

Vulnerability risk: High

CVSSv4.0: 8.6 [CVSS: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:A/U:Amber]

CVE-ID: CVE-2025-0994

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cityworks
Server applications / SCADA systems
Cityworks with office companion
Server applications / SCADA systems

Vendor: Trimble

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote privileged user can send a specially crafted HTTP request to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cityworks: before 15.8.9

Cityworks with office companion: before 23.10

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External links
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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.