Security Resilience

CVE-2024-0391

Wso2 Identity Server 5.10.0 – 5.10.0.379

Published
11 May 2026
Modified
17 June 2026
Patch / advisory
View advisory
CVSS Score v3.1 5.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0018 7th percentile
Risk Priority 42 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2024-0391 is a medium-severity Observable Response Discrepancy (CWE-204) vulnerability in Wso2 Identity Server. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique LSA Secrets (T1003.004); ranked at the 7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to IA-6 (Authentication Feedback) and SI-11 (Error Handling) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

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…

more

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.

CWE(s)
CWE-204

Related Threats

MITRE ATT&CK Enterprise Techniques

T1003.004 LSA Secrets Credential Access
Adversaries with SYSTEM access to a host may attempt to access Local Security Authority (LSA) secrets, which can contain a variety of different credential materials, such as credentials for service accounts.
attack.mitre.org →
T1003.007 Proc Filesystem Credential Access
Adversaries may gather credentials from the proc filesystem or `/proc`.
attack.mitre.org →
T1011.001 Exfiltration Over Bluetooth Exfiltration
Adversaries may attempt to exfiltrate data over Bluetooth rather than the command and control channel.
attack.mitre.org →
T1016.001 Internet Connection Discovery Discovery
Adversaries may check for Internet connectivity on compromised systems.
attack.mitre.org →
T1027.004 Compile After Delivery Stealth
Adversaries may attempt to make payloads difficult to discover and analyze by delivering files to victims as uncompiled code.
attack.mitre.org →
T1027.008 Stripped Payloads Stealth
Adversaries may attempt to make a payload difficult to analyze by removing symbols, strings, and other human readable information.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-1396Same product: Wso2 Identity Server
CVE-2025-0672Same product: Wso2 Identity Server
CVE-2025-0663Same product: Wso2 Identity Server
CVE-2024-7073Same product: Wso2 Identity Server
CVE-2025-1862Same product: Wso2 Identity Server
CVE-2024-2374Same product: Wso2 Identity Server
CVE-2024-1248Same product: Wso2 Identity Server
CVE-2024-8008Same product: Wso2 Identity Server
CVE-2023-6838Same product: Wso2 Identity Server
CVE-2024-1440Same product: Wso2 Identity Server

Affected Assets

wso2
identity server
5.10.0 — 5.10.0.379 · 5.11.0 — 5.11.0.426 · 6.0.0 — 6.0.0.253
wso2
identity server as key manager
5.10.0 — 5.10.267
wso2
open banking iam
2.0.0 — 2.0.0.318

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V13.4.5

Mitigating Controls (NIST 800-53 r5) AI

IA-6 Authentication Feedback good match

Obscuring authentication feedback directly stops one common source of observable response discrepancies.

SI-11 Error Handling good match

Error handling explicitly requires messages that avoid revealing exploitable internal information.

AC-4 Information Flow Enforcement partial match

Information flow enforcement can block responses that would otherwise disclose internal state to unauthorized parties.

SC-7 Boundary Protection partial match

Boundary protection monitors and filters outbound responses that could leak internal state.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 partial match
blocks

Secure SDLC practices directly prevent introduction of inconsistent response behavior that leaks internal state.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.5.14 Information transfer partial match
removes
A.5.15 Access control partial match
removes
A.5.16 Identity management partial match
removes
A.5.17 Authentication information partial match
removes
A.5.18 Access rights partial match
removes
A.8.10 Information deletion partial match
removes

References