The U.S. Cybersecurity and Infrastructure Safety Company (CISA) has warned {that a} safety flaw impacting Trimble Cityworks GIS-centric asset administration software program has come beneath lively exploitation within the wild.
The vulnerability in query is CVE-2025-0994 (CVSS v4 rating: 8.6), a deserialization of untrusted information bug that would allow an attacker to conduct distant code execution.
“This might enable an authenticated consumer to carry out a distant code execution assault towards a buyer’s Microsoft Web Info Companies (IIS) internet server,” CISA mentioned in an advisory dated February 6, 2025.
The flaw impacts the next variations –
- Cityworks (All variations prior to fifteen.8.9)
- Cityworks with workplace companion (All variations previous to 23.10)
Whereas Trimble has launched patches to handle the safety defect as of January 29, 2025, CISA has warned that it’s being weaponized in real-world assaults.
The Colorado-headquartered firm additionally famous that it has obtained experiences of “unauthorized makes an attempt to achieve entry to particular prospects’ Cityworks deployments.”
Indicators of compromise (IoCs) launched by Trimble present that the vulnerability is being exploited to drop a Rust-based loader that launches Cobalt Strike and a Go-based distant entry software named VShell, amongst different unidentified payloads.
It is at the moment not recognized who’s behind the assaults, and what the top objective of the marketing campaign is. Customers operating affected variations of the software program are suggested to replace their situations to the newest model for optimum safety.