CVE-2024-0391: Username Enumeration via Email OTP Flow in Multiple WSO2 Products Allows User Account Discovery
The check user account lock states feature within the email OTP flow fails to validate user input, allowing an attacker to infer the existence of registered user accounts.
The discovery of valid usernames can increase the risk of brute-force and social engineering attacks. Attackers can leverage this information to craft targeted phishing campaigns or other malicious activities aimed at tricking users into divulging sensitive data, potentially damaging the organization's reputation and leading to regulatory non-compliance and financial consequences.
Affected Software
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Frequently Asked Questions
What is the severity of CVE-2024-0391?
The severity of CVE-2024-0391 is medium with a score of 5.3.
What is the risk associated with CVE-2024-0391?
CVE-2024-0391 presents a risk score of 27, indicating a notable vulnerability.
How does CVE-2024-0391 affect user accounts?
CVE-2024-0391 allows attackers to enumerate valid user accounts via the email OTP flow, potentially leading to account compromise.
What products are affected by CVE-2024-0391?
CVE-2024-0391 affects WSO2 Identity Server, WSO2 Identity Server as Key Manager, and WSO2 Open Banking IAM.
How do I mitigate the risk of CVE-2024-0391?
Mitigation steps for CVE-2024-0391 involve following specific instructions provided in the security advisory related to the vulnerability.