Page generated: 10 Nov 2026, 18:00 UTC
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CVE-2025-0994

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 Infor…

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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 8.6 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.4/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.6: +1.29
  • Fresh EPSS: 31.31%: +0.16

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Recorded Future
Press · 04 Sep 2026, 07:00 · Recorded Future Announces Automated Signature Creation, Accelerating Vulnerability Prioritization - Recorded Future
SDxCentral
Press · 07 Aug 2025, 17:35 · CISA collaborates with Trimble on Cityworks vulnerability - SDxCentral
StateScoop
Press · 23 May 2025, 07:00 · Report: Chinese hackers used Cityworks vulnerability to deliver malware - StateScoop
Cisco Talos Blog
Press · 22 May 2025, 07:00 · UAT-6382 exploits Cityworks zero-day vulnerability to deliver malware - Cisco Talos Blog
The Record from Recorded Future News
Press · 22 May 2025, 07:00 · Chinese-speaking hackers targeting US municipalities with Cityworks bug - The Record from Recorded Future News
See all 10 source documents
Recorded Future
Press · 19 Feb 2025, 08:00 · Trimble Cityworks: CVE-2025-0994: Active Exploitation - Recorded Future
TechTarget
Press · 10 Feb 2025, 08:00 · Trimble Cityworks zero-day flaw under attack, patch now - TechTarget
SecurityWeek
Press · 07 Feb 2025, 08:00 · Trimble Cityworks Customers Warned of Zero-Day Exploitation - SecurityWeek
The Record from Recorded Future News
Press · 07 Feb 2025, 08:00 · Hackers exploiting bug in popular Trimble Cityworks tool used by local gov’ts - The Record from Recorded Future News
The Hacker News
Press · 07 Feb 2025, 08:00 · CISA Warns of Active Exploits Targeting Trimble Cityworks Vulnerability - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.4 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
rxerium/CVE-2025-099440—14 Oct 2025, 06:46
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 8.6; EPSS 31.3%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, high privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:25.323730+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
06 Feb 2025, 16:01
Added to the CISA KEV catalog
07 Feb 2025, 00:00
First press mention
07 Feb 2025, 08:00
Latest press mention
04 Sep 2026, 07:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
1 repositories