WSO2 Identity Server prior 7.0.0.131 response discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in WSO2 Identity Server, Open Banking IAM, Identity Server as Key Manager, Email OTP Authenticator and Carbon Authenticator Library for EmailOTP. Affected by this issue is some unknown functionality. Such manipulation leads to response discrepancy. This vulnerability is traded as CVE-2024-0391. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in WSO2 Identity Server, Open Banking IAM, Identity Server as Key Manager, Email OTP Authenticator and Carbon Authenticator Library for EmailOTP. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a response discrepancy vulnerability. Using CWE to declare the problem leads to CWE-204. The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. Impacted is confidentiality. CVE summarizes:

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.

The advisory is available at security.docs.wso2.com. This vulnerability is handled as CVE-2024-0391 since 01/10/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 5.10.0, 5.10.0.379, 5.11.0.426, 5.11.0.431, 6.0.0.253, 6.1.0.254 or 7.0.0.131 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (WSO2): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Response discrepancy
CWE: CWE-204 / CWE-203 / CWE-200
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Identity Server/Open Banking IAM/Identity Server as Key Manager/Email OTP Authenticator/Carbon Authenticator Library for EmailOTP 5.10.0/5.10.0.379/5.11.0.426/5.11.0.431/6.0.0.253/6.1.0.254/7.0.0.131

Timelineinfo

01/10/2024 CVE reserved
05/11/2026 +851 days Advisory disclosed
05/11/2026 +0 days VulDB entry created
05/11/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: security.docs.wso2.com
Status: Confirmed

CVE: CVE-2024-0391 (🔒)
GCVE (CVE): GCVE-0-2024-0391
GCVE (VulDB): GCVE-100-362594

Entryinfo

Created: 05/11/2026 13:52
Changes: 05/11/2026 13:52 (63)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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