Trimble Cityworks up to 23.9 MS IIS deserialization

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Trimble Cityworks up to 23.9. Affected is an unknown function of the component MS IIS. This manipulation causes deserialization. This vulnerability is registered as CVE-2025-0994. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Trimble Cityworks up to 23.9. It has been declared as critical. Affected by this vulnerability is an unknown code of the component MS IIS. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 advisory is shared at cisa.gov. This vulnerability is known as CVE-2025-0994 since 02/03/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 02/07/2025 with a due date of 02/28/2025:

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

Upgrading to version 23.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (961). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
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Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cityworks 23.10

Timelineinfo

02/03/2025 🔍
02/06/2025 +3 days 🔍
02/06/2025 +0 days 🔍
10/30/2025 +266 days 🔍

Sourcesinfo

Advisory: icsa-25-037-04
Status: Confirmed

CVE: CVE-2025-0994 (🔍)
GCVE (CVE): GCVE-0-2025-0994
GCVE (VulDB): GCVE-100-294865
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/06/2025 17:48
Updated: 10/30/2025 17:00
Changes: 02/06/2025 17:48 (67), 02/08/2025 06:04 (13), 02/08/2025 08:12 (2), 02/08/2025 09:17 (1), 02/13/2025 03:33 (11), 10/30/2025 17:00 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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