Microsoft Dynamics 365 FastTrack Implementation access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Microsoft Dynamics 365 FastTrack Implementation. This impacts an unknown function. The manipulation results in access control. This vulnerability is identified as CVE-2025-55238. The attack can be executed remotely. There is not any exploit available. This product is a managed service. It is not possible for users to maintain vulnerability countermeasures themselves.

Detailsinfo

A vulnerability, which was classified as critical, was found in Microsoft Dynamics 365 FastTrack Implementation (affected version not known). Affected is some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality. CVE summarizes:

Dynamics 365 FastTrack Implementation Assets Information Disclosure Vulnerability

The advisory is shared for download at msrc.microsoft.com. This vulnerability is traded as CVE-2025-55238 since 08/11/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/19/2025). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-26869) and CERT Bund (WID-SEC-2025-1972). Once again VulDB remains the best source for vulnerability data.

Affected

  • Microsoft Dynamics 365

Productinfo

Type

Vendor

Name

License

Managed Service

  • yes

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/11/2025 CVE reserved
09/05/2025 +25 days Advisory disclosed
09/05/2025 +0 days VulDB entry created
09/19/2025 +14 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2025-55238 (🔒)
GCVE (CVE): GCVE-0-2025-55238
GCVE (VulDB): GCVE-100-322716
EUVD: 🔒
CERT Bund: WID-SEC-2025-1972 - Microsoft Dynamics 365 FastTrack Implementation: Schwachstelle ermöglicht Offenlegung von Informationen

Entryinfo

Created: 09/05/2025 07:41
Updated: 09/19/2025 20:38
Changes: 09/05/2025 07:41 (62), 09/05/2025 12:00 (7), 09/19/2025 20:38 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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