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CVE-2025-0994

82
FAUCET Score

CVE-2025-0994 is a critical deserialization vulnerability affecting Trimble Cityworks versions prior to 15.8.9 and Cityworks with Office Companion prior to 23.10. An authenticated attacker can exploit this flaw to achieve remote code execution on a customer's Microsoft IIS web server. With a CVSS score of 8.8 (High), this vulnerability allows for full compromise of confidentiality, integrity, and availability with low attack complexity. Notably, this CVE is actively exploited (KEV listed), has a high EPSS score, and has garnered significant community discussion and media coverage, including reports of Chinese state-sponsored actors leveraging it against US local government entities.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.8.9CPE matchmatch criteria
cpe:2.3:a:trimble:cityworks:*:*:*:*:*:*:*:*
>= 23.0, < 23.10CPE matchmatch criteria
cpe:2.3:a:trimble:cityworks:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
31.31%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Added to KEV · Feb 7, 2025
This CVE's current EPSS score of 0.3131 is in the 97th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
learn.assetlifecycle.trimble.com / i/1532182-cityworks-customer-communication-2025-02-05-docx/0
Vendor Advisory
cisa.gov / news-events/ics-advisories/icsa-25-037-04
Third Party AdvisoryUS Government Resource