An issue was discovered in SmartClient 12.0. Unauthenticated exploitation of blind XXE can occur in the downloadWSDL feature by sending a POST request to /tools/developerConsoleOperations.jsp with a valid payload in the _transaction parameter.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-9352
• https://blog.certimetergroup.com/it/articolo/security/smartclient-v12-xml-external-entity--cve-2020-9352
• https://seclists.org/fulldisclosure/2020/Feb/18
• https://www-demos.smartclient.com/smartclient-12.0/isomorphic/system/reference/?id=group..toolsDeployment