CVE-2025-42602Network attack vector

Unauthorized account access via manipulated authentication tokens

Published Apr 23, 2025 · Updated Apr 23, 2025

Improper authentication in Meon KYC solutions 1.1 allows remote attackers to access other user accounts through crafted API requests. Authentication API endpoints improperly process manipulated access and refresh-token values supplied through request bodies. Exploitation requires intercepting and altering an authentication exchange, and the reported consequence is unauthorized account access rather than service disruption.

CVSS severity8.2
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in Meon KYC solutions 1.1 allows remote attackers to access other user accounts through crafted API requests. Authentication API endpoints improperly process manipulated access and refresh-token values supplied through request bodies. Exploitation requires intercepting and altering an authentication exchange, and the reported consequence is unauthorized account access rather than service disruption.

The record

CVE
CVE-2025-42602
Published
Apr 23, 2025
Updated
Apr 23, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-613, CWE-384, T1550.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 23, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.2CERT-InCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-613Insufficient Session Expiration
CWE-384Session Fixation
T1550.001Application Access Token

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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