SugarCRM (ConnectorsController) Server-Side Request Forgery Vulnerability

• Affected Versions:

All versions prior to and

• Vulnerability Description:

The vulnerability is located within the ConnectorsController::action_CallRest() method. User input passed through the “url” request parameter is not properly sanitized before being used in a call to the file_get_contents() PHP function. This can be exploited to carry out Server-Side Request Forgery (SSRF) and Reflected Cross-Site Scripting (XSS) attacks.

• Solution:

Update to versions,, or later.

• Disclosure Timeline:

[09/10/2017] – Vendor notified

[28/03/2018] – Fixed versions released and security advisory published

[31/12/2018] – Publication of this advisory

• CVE Reference:

The Common Vulnerabilities and Exposures project ( has not assigned a CVE identifier for this vulnerability.

• Credits:

Vulnerability discovered by Egidio Romano.

• Other References: