CVE-2025-42600
CVE-2025-42600 is a high-severity vulnerability with a CVSS 4.0 base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.
Key facts
- Severity: High (CVSS 4.0 base score 8.2)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-12233
- Weakness: CWE-307
- Published:
- Last modified:
Description
This vulnerability exists in Meon KYC solutions due to missing restrictions on the number of incorrect One-Time Password (OTP) attempts through certain API endpoints of login process. A remote attacker could exploit this vulnerability by performing a brute force attack on OTP, which could lead to gain unauthorized access to other user accounts.
Frequently asked questions
- What is CVE-2025-42600?
- This vulnerability exists in Meon KYC solutions due to missing restrictions on the number of incorrect One-Time Password (OTP) attempts through certain API endpoints of login process. A remote attacker could exploit this vulnerability by performing a brute force attack on OTP, which could lead to gain unauthorized access to other user accounts.
- How severe is CVE-2025-42600?
- CVE-2025-42600 has a CVSS 4.0 base score of 8.2, rated high severity.
- Is CVE-2025-42600 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-42600?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-42600 have an EU (EUVD) identifier?
- Yes. CVE-2025-42600 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12233.
- When was CVE-2025-42600 published?
- CVE-2025-42600 was published on 2025-04-23 and last updated on 2026-06-17.
References
Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities
- CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
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- CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
- CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
- CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
- CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…
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