WSO2 API Manager File Upload unrestricted upload

Summaryinfo

A vulnerability was found in WSO2 API Manager, Identity Server, Identity Server Analytics, Identity Server as Key Manager and Enterprise Integrator. It has been classified as critical. Affected by this issue is some unknown functionality of the component File Upload Handler. This manipulation causes unrestricted upload. This vulnerability is handled as CVE-2022-29464. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in WSO2 API Manager, Identity Server, Identity Server Analytics, Identity Server as Key Manager and Enterprise Integrator (Automation Software) and classified as very critical. Affected by this vulnerability is an unknown code block of the component File Upload Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released 04/19/2022. It is possible to read the advisory at docs.wso2.com. This vulnerability is known as CVE-2022-29464 since 04/18/2022. Technical details are unknown but a public exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/07/2025). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

It is possible to download the exploit at packetstormsecurity.com. It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 04/25/2022 with a due date of 05/16/2022:

Apply updates per vendor instructions.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Automation Software

Vendor

• WSO2

Name

• API Manager
• Enterprise Integrator
• Identity Server
• Identity Server Analytics
• Identity Server as Key Manager

License

• commercial

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