WSO2 Multiple Products Unrestrictive Upload of File Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 25/04/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.
| Package | Affected versions | Patched versions |
|---|---|---|
| api manager | ≥ 2.2.0, ≤ 4.0.0 | |
| enterprise integrator | ≥ 6.2.0, ≤ 6.6.0 | |
| identity server | ≥ 5.2.0, ≤ 5.11.0 | |
| identity server analytics | = 5.4.0= 5.4.1= 5.5.0= 5.6.0 | |
| identity server as key manager | ≥ 5.3.0, ≤ 5.10.0 | |
| open banking am | ≥ 1.3.0, ≤ 2.0.0 | |
| open banking iam | = 2.0.0 | |
| open banking km | ≥ 1.3.0, ≤ 1.5.0 |
Certain WSO2 products allow unrestricted file upload with resultant remote code execution. The attacker must use a /fileupload endpoint with a Content-Disposition directory traversal sequence to reach a directory under the web root, such as a ../../../../repository/deployment/server/webapps directory. This affects WSO2 API Manager 2.2.0 up to 4.0.0, WSO2 Identity Server 5.2.0 up to 5.11.0, WSO2 Identity Server Analytics 5.4.0, 5.4.1, 5.5.0 and 5.6.0, WSO2 Identity Server as Key Manager 5.3.0 up to 5.11.0, WSO2 Enterprise Integrator 6.2.0 up to 6.6.0, WSO2 Open Banking AM 1.4.0 up to 2.0.0 and WSO2 Open Banking KM 1.4.0, up to 2.0.0.
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