VDB-311701 · CVE-2025-40668 · EUVD-2025-17458

TCMAN GIM 11 POST Request validateChangePassword%C3%B1a 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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in TCMAN GIM 11. It has been classified as problematic. Impacted is an unknown function of the file /PC/WebService.aspx/validateChangePassword%C3%B1a of the component POST Request Handler. This manipulation of the argument idUser/PasswordActual/PasswordNew/PasswordNewRepeat causes authorization. This vulnerability is handled as CVE-2025-40668. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in TCMAN GIM 11 and classified as problematic. Affected by this vulnerability is an unknown code block of the file /PC/WebService.aspx/validateChangePassword%C3%B1a of the component POST Request Handler. The manipulation of the argument idUser/PasswordActual/PasswordNew/PasswordNewRepeat with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Incorrect authorization vulnerability in TCMAN's GIM v11. This vulnerability allows an attacker, with low privilege level, to change the password of other users through a POST request using the parameters idUser, PasswordActual, PasswordNew and PasswordNewRepeat in /PC/WebService.aspx/validateChangePassword%C3%B1a. To exploit the vulnerability the PasswordActual parameter must be empty.

The weakness was released by Jorge Riopedre Vega. The advisory is shared at incibe.es. This vulnerability is known as CVE-2025-40668 since 04/16/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. The price 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-2025-17458). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 5.4
VulDB Meta Temp Score: 5.4

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

NVD Base Score: 6.5
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-2025-40668 (🔍)
GCVE (CVE): GCVE-0-2025-40668
GCVE (VulDB): GCVE-100-311701
EUVD: 🔍

Entryinfo

Created: 06/09/2025 14:47
Updated: 10/07/2025 04:02
Changes: 06/09/2025 14:47 (67), 06/09/2025 16:03 (1), 10/07/2025 04:02 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.