: Strictly allow only http and https protocols. Reject any request starting with file:// , gopher:// , or ftp:// .
This specific payload is used to test if an application is vulnerable to SSRF by attempting to read internal system files instead of an external website. If successful, an attacker could: Steal AWS Credentials : Gain administrative access to your cloud infrastructure. Map Internal Systems fetch-url-file-3A-2F-2F-2Froot-2F.aws-2Fconfig
If you get back any content other than a permission denied error, your system is vulnerable. : Strictly allow only http and https protocols
The decoded version of this URL-encoded string is fetch-url-file:///root/.aws/config , which targets the sensitive configuration file of the AWS Command Line Interface (CLI) on a Linux system. fetch-url-file-3A-2F-2F-2Froot-2F.aws-2Fconfig