CVE-2025-42603 Information Disclosure Vulnerability in Meon KYC solutions
An authenticated attacker can intercept unencrypted API responses to steal sensitive user data and impersonate victims.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-42603?
CVE-2025-42603 is a high-severity vulnerability in Meon KYC solutions, published on 23 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Successful exploitation of this vulnerability could allow remote attacker to impersonate the target user and gain unauthorized access to the user account.
Weakness: CWE-319
Which versions are affected by CVE-2025-42603?
How do I fix CVE-2025-42603?
No fix has been published for CVE-2025-42603 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-42603 being exploited?
There is no known exploitation of CVE-2025-42603 in the wild and no public exploit code.
Sources
Also known as GHSA-w7cv-qc5c-8g8f.