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Account Lock Bypass via User Store Synchronization in Multiple WSO2 Products Allows Brute Force Attacks

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

4.8MediumCNA
Exploited
No known exploitation
Fix
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
Who is exposed
Not reported

Do first: 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, or one of 14 more.

Published
Last modified
Published
Not listed in CISA KEV
22/100 · provisional
Fix
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
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

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.

Read the original 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

  • 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, or one of 14 more.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • 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

Evidence 1

  1. Advisory

Corrections

None so far.

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