Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-42603

Severity CVSS v4.0:
HIGH
Type:
CWE-319 Cleartext Transmission of Sensitive Information
Publication date:
23/04/2025
Last modified:
23/04/2025

Description

This vulnerability exists in the Meon KYC solutions due to transmission of sensitive data in plain text within the response payloads of certain API endpoints. An authenticated remote attacker could exploit this vulnerability by intercepting API response that contains unencrypted sensitive information belonging to other users.<br /> <br /> Successful exploitation of this vulnerability could allow remote attacker to impersonate the target user and gain unauthorized access to the user account.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 8.70 HIGH
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): Low
Integrity (SI): None
Availability (SA): None

Base Score 4.0
8.70
Severity 4.0
HIGH

References to Advisories, Solutions, and Tools