8.8

CVE-2025-0994: Trimble Cityworks Deserialization Vulnerability

CVSS: 8.8v3.1HighKEVAnalyzed
Published 06-02-2025Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2025-0994 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in Trimble Cityworks. It is known to be exploited: CISA lists it, first on 07-02-2025. EPSS estimates a 31.09% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
31.09%
0%100%
High · -0.22 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-02-2025
    PublishedVulnerability first disclosed.
  2. 07-02-2025
    Added to CISA KEVTrimble Cityworks Deserialization Vulnerability
  3. 28-02-2025
    CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

31.09%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

-0.22 pp

From 31.31% on 18-09-2026

18-09-202618-10-2026
EPSS score
31.09%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
07-02-2025
Federal due date
28-02-2025

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. learn.assetlifecycle.trimble.com/i/1532182-cityworks-customer-communication-2025-02-05-docx/0 www.cisa.gov/news-events/ics-advisories/icsa-25-037-04 nvd.nist.gov/vuln/detail/CVE-2025-0994

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Trimble2 products

1 vendor · 2 products

References

3 links