CASCACascade Atlas

Evidence dossier

CVE-2025-0994

CVE-2025-0994

72.7–88.2Priority evidence range
As known Jul 19, 2026, 5:00 AM UTCgen-56ccdaf9

Normalized restatement

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.

State
PUBLISHED
Published
Feb 6, 2025
Updated
Oct 21, 2025
Evidence coverage
85%
CISA KEVCatalog member

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

FIRST EPSS31.31%

2026-07-18 · v2026.06.15 · percentile 98.1%

Source stateNo scored conflict

Distinct CVSS assessments remain side by side; none are averaged.

Source comparison

Who said what

CISA-ADPindependent enrichment
container

CISA ADP Vulnrichment

icscertoriginal assertion
container

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.

CISA KEVoriginal assertion
observed_exploitation

Trimble Cityworks Deserialization Vulnerability

FIRST EPSSoriginal assertion
model_probability

Probability 0.313090000000; percentile 0.980800000000

Applicability

Cited product scope

Trace impact →
TrimbleCityworks
[{"status": "affected", "version": "0", "lessThan": "15.8.9", "versionType": "custom"}]unknown
TrimbleCityworks (with office companion)
[{"status": "affected", "version": "0", "lessThan": "23.10", "versionType": "custom"}]unknown
Unknown vendorUnknown product
cpe:2.3:a:trimble:cityworks:*:*:*:*:*:*:*:*; end excluding 15.8.9supported
Unknown vendorUnknown product
cpe:2.3:a:trimble:cityworks:*:*:*:*:*:*:*:*; start including 23.0; end excluding 23.10supported

Assessments

CVSS by origin

8.8
nvd@nist.govCVSS 3.1 · role PrimaryCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.6
ics-cert@hq.dhs.govCVSS 4.0 · role SecondaryCVSS: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
8.6
icscertCVSS 4.0 · role unknownCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Limitations and unknowns

  • KEV membership is authoritative for the catalog, not proof of exposure in any environment.
  • EPSS is a dated model probability and not an individual-environment prediction.
  • Affected or fixed status applies only to the exact cited product and version scope; unresolved scope remains unknown.
  • NVD-carried upstream facts remain derivative and are not independent corroboration.
  • Only NVD metrics validated under the generation-bound calculator are Public Priority eligible; direct CVE record metrics remain display-only.
  • NVD CVSS source eligibility is closed: NVD-authored, exact record-source, or registered same-CVE container origin; unmapped sources remain display-only.
  • Factor D is unknown in Public Core because no accepted canonical mapping-obligation ledger is present.
  • Core replay supports the active and immediately prior generation; retrospective valid-at replay is deferred.