The SolarWinds Orion API is vulnerable to authentication bypass that could allow a remote attacker to execute API commands. This API is a central part of the Orion platform with highly privileged access to all Orion platform components. API authentication can be bypassed by including specific parameters in the `Request.PathInfo` portion of a URI request, which could allow an attacker to execute unauthenticated API commands. In particular, if an attacker appends a `PathInfo` parameter of WebResource.adx, ScriptResource.adx, i18n.ashx, or Skipi18n to a request to a SolarWinds Orion server, SolarWinds may set the `SkipAuthorization` flag, which may allow the API request to be processed without requiring authentication. Patches are available and as of 2020-12-24 organizations should be on one of the following versions to mitigate this weakness: - 2019.4 HF 6 (released December 14, 2020) - 2020.2.1 HF 2 (released December 15, 2020) - 2019.2 SUPERNOVA Patch (released December 23,…