Information disclosure in Wso2 Email Otp Authenticator
CVE-2025-13909
The system accepts authentication requests without sufficient validation to enforce tenant isolation when using Email OTP, SMS OTP, or Magic Link as first-factor authenticators. This failure to adequately separate user data between tenants can lead to the exposure of personally identifiable information. Successful exploitation allows an attacker to disclose personally identifiable information of users in different tenants, resulting in privacy violations and potential regulatory non-compliance. This may include unauthorized access to user details such as mobile numbers.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (28.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Wso2 Email Otp Authenticator — versions 1.0.30, 1.0.51
- Wso2 Identity Server
- Wso2 Carbon Abstract Otp Authenticator — versions 1.0.5, 1.0.10, 1.0.24
- Wso2 Carbon Identity Application Authentication Framework — versions 7.0.78, 7.8.23, 7.8.550
- Wso2 Carbon Magiclink Authenticator Module — versions 1.1.22, 1.1.31, 1.1.45
- Wso2 Identity Server — versions 7.0.0, 7.1.0
Weakness classification (CWE)
References
- ed10eef1-636d-4fbe-9993-6890dfa878f8 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-13909?
- CVE-2025-13909 is a medium-severity vulnerability in Wso2 Email Otp Authenticator, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2026-08-06.
- How severe is CVE-2025-13909?
- Medium severity. CVSS v3 base score is 4.3 out of 10.