VDB-311703 · CVE-2025-40670 · EUVD-2025-17456

TCMAN GIM 11 POST Request updateUser authorization

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in TCMAN GIM 11. It has been rated as problematic. The impacted element is an unknown function of the file /PC/frmGestionUser.aspx/updateUser of the component POST Request Handler. Performing a manipulation results in authorization. This vulnerability was named CVE-2025-40670. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in TCMAN GIM 11. It has been classified as problematic. This affects an unknown function of the file /PC/frmGestionUser.aspx/updateUser of the component POST Request Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on integrity. The summary by CVE is:

Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an unprivileged attacker to create a user and assign it many privileges by sending a POST request to /PC/frmGestionUser.aspx/updateUser.

The weakness was presented by Jorge Riopedre Vega. It is possible to read the advisory at incibe.es. This vulnerability is uniquely identified as CVE-2025-40670 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/07/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17456). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

TCMAN

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2025 🔍
06/09/2025 +54 days 🔍
06/09/2025 +0 days 🔍
10/07/2025 +120 days 🔍

Sourcesinfo

Advisory: incibe.es
Researcher: Jorge Riopedre Vega
Status: Not defined

CVE: CVE-2025-40670 (🔍)
GCVE (CVE): GCVE-0-2025-40670
GCVE (VulDB): GCVE-100-311703
EUVD: 🔍

Entryinfo

Created: 06/09/2025 14:48
Updated: 10/07/2025 05:14
Changes: 06/09/2025 14:48 (66), 06/09/2025 16:03 (1), 10/07/2025 05:14 (12)
Complete: 🔍
Cache ID: 216::103