Overview
The default security configuration in Salesforce allows an authenticated user with the Salesforce-CLI to create URL that will allow anyone, anywhere access to the Salesforce GUI with the same administrative credentials without a log trace of access or usage of the API.
Description
The Salesforce-cli interface allows an authenticated user to create an access URL using the CLI interface. This URL can be shared as a link, so anyone who has the link can access this site from anywhere (any IP address or any device) with the same access rights as the creator or the URL. This access is only available for the duration of the access token, however this new access will not be logged or tracked in any way available to the user or to the user's organization. The generated URL requires no user/pass or any form of challenge/response, such as MFA, to verify the identity of the new access. OWASP API Security 2019 recommends a number of protections (relevant sections API2:2019, API6:2019 and API10:2019) of API endpoints that will prevent potential abuse of such API endpoints by malicious actors, including malicious insiders.
Impact
An unauthenticated user who gains access to an URL, generated by Salesforce-cli, can perform administrative actions as if logged in with the same rights as the account owner who generated the URL. This includes the ability to add user accounts that have administrative rights, manage existing users or applications, and any other action that is available to the user who generated the URL.
Solution
In the Salesforce GUI you can Modify Session Security Settings, ..
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