Read the docs
TI-2025-27738 Aliases CVE-2025-42603GHSA-w7cv-qc5c-8g8f

Information Disclosure Vulnerability in Meon KYC solutions

Priority MEDIUM 44CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-319.

Summary

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. Successful exploitation of this vulnerability could allow remote attacker to impersonate the target user and gain unauthorized access to the user account.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0033 26th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MeonKYC solutions1.1—No fix listedCNA
  • KYC solutions VendorMeon Affected 1.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-42603
  2. 2026-10-03 Alias added: GHSA-w7cv-qc5c-8g8f

References

Advisory 1

  • TI-2025-27740 Improper Access Control Vulnerability in Meon Bidding Solutions CVSS 4.0CRITICAL 9.3
  • TI-2025-27735 Brute Force Attack Vulnerability in Meon KYC solutions CVSS 4.0HIGH 8.2
  • TI-2025-27739 Detailed Error Response Vulnerability in Meon KYC solutions CVSS 4.0MEDIUM 6.9
  • TI-2025-27737 Improper Authentication Vulnerability in Meon KYC solutions CVSS 4.0HIGH 8.2
  • TI-2025-27736 Captcha Bypass Vulnerability in Meon KYC solutions CVSS 4.0HIGH 8.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences