Security Advisory WSO2-2021-1582¶
Published: 2026-01-26
Version: 1.0.0
Severity: Medium
CVSS Score: 4.7 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L)
AFFECTED PRODUCTS¶
- WSO2 API Control Plane: 4.6.0, 4.5.0
- WSO2 API Manager: 4.6.0, 4.5.0, 4.4.0, 4.3.0, 4.2.0, 4.1.0, 4.0.0, 3.2.1, 3.2.0, 3.1.0
- WSO2 Complex Event Processor: 4.2.0
- WSO2 Data Analytics Server: 3.1.0
- WSO2 Data Services Server: 3.5.1
- WSO2 Enterprise Integrator: 6.6.0
- WSO2 Identity Server Analytics: 5.2.0
- WSO2 Identity Server as Key Manager: 5.10.0
- WSO2 Identity Server: 5.10.0, 5.2.0
- WSO2 Open Banking AM: 2.0.0
- WSO2 Open Banking IAM: 2.0.0
- WSO2 Traffic Manager: 4.6.0, 4.5.0
- WSO2 Universal Gateway: 4.6.0, 4.5.0
OVERVIEW¶
Potential availability impact on tenants
DESCRIPTION¶
When the deployment is configured with a MySQL userstore the application users cannot access their applications due to the cache entries getting created against the incorrect tenant domain. This happens due to some special characters in MySQL are treated as similar alphanumeric characters.
IMPACT¶
Due to the identified vulnerability the legitimate users of the tenant will not be able to access the application.
SOLUTION¶
Community Users (Open Source)¶
Apply the relevant fixes to your product using the public fix(es) provided below.
If applying the fix or update is not feasible, migrate to the latest unaffected version of the respective WSO2 product(s).
Support Subscription Holders¶
Update your product to the specified update level, or to a higher update level, to mitigate the identified vulnerability.
Info
WSO2 Support Subscription Holders may use WSO2 Updates in order to apply the fix.
| Product Name | Product Version | Update Level |
|---|---|---|
| WSO2 API Control Plane | 4.6.0 | 2 |
| WSO2 API Control Plane | 4.5.0 | 38 |
| WSO2 API Manager | 4.6.0 | 2 |
| WSO2 API Manager | 4.5.0 | 37 |
| WSO2 API Manager | 4.4.0 | 54 |
| WSO2 API Manager | 4.3.0 | 90 |
| WSO2 API Manager | 4.2.0 | 178 |
| WSO2 API Manager | 4.1.0 | 238 |
| WSO2 API Manager | 4.0.0 | 375 |
| WSO2 API Manager | 3.2.1 | 74 |
| WSO2 API Manager | 3.2.0 | 455 |
| WSO2 API Manager | 3.1.0 | 351 |
| WSO2 Complex Event Processor | 4.2.0 | 10 |
| WSO2 Data Analytics Server | 3.1.0 | 10 |
| WSO2 Data Services Server | 3.5.1 | 8 |
| WSO2 Enterprise Integrator | 6.6.0 | 228 |
| WSO2 Identity Server | 5.10.0 | 380 |
| WSO2 Identity Server | 5.2.0 | 14 |
| WSO2 Identity Server Analytics | 5.2.0 | 10 |
| WSO2 Identity Server as Key Manager | 5.10.0 | 371 |
| WSO2 Open Banking AM | 2.0.0 | 400 |
| WSO2 Open Banking IAM | 2.0.0 | 420 |
| WSO2 Traffic Manager | 4.6.0 | 2 |
| WSO2 Traffic Manager | 4.5.0 | 36 |
| WSO2 Universal Gateway | 4.6.0 | 2 |
| WSO2 Universal Gateway | 4.5.0 | 36 |