CVE-2025-0994

Trimble Cityworks: Deserialization

As of , CVE-2025-0994 in Trimble Cityworks is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 7 February 2025
US federal deadline
28 February 202521 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.31Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.00 on 7 February 2025EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: learn.assetlifecycle.trimble.comLinks below, from CISA's entry.

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

Trimble Cityworks contains 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.

CISA's description

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.

The CVE record's description, from icscert

CVE published
6 February 2025
Assigned by
icscert
CVSS
8.6 High (CVSS 4.0, from the CNA)
CWE-502
Deserialization of Untrusted Data
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

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