CVE-2022-29464: WSO2 Multiple Products Unrestrictive Upload of File Vulnerability

Vulnerability summary

CVE-2022-29464 is a high (CVSS 10.0) Path Traversal vulnerability in WSO2 Multiple Products. It is known to be exploited: CISA lists it, first on 25-04-2022. It has been used in ransomware campaigns. EPSS estimates a 100.00% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 3 public exploits are recorded.

Timeline

1. 18-04-2022
   PublishedVulnerability first disclosed.
2. 25-04-2022
   Added to CISA KEVWSO2 Multiple Products Unrestrictive Upload of File Vulnerability
3. 16-05-2022
   CISA remediation dueApply updates per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.