SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.
SERVER-WEBAPP SolarWinds Orion authentication bypass attempt
This particular rule looks for direct access to the web.config file, potentially allowing an unauthenticated user a glimpse into sensitive settings in Orion.
What To Look For
This rule will trigger against direct access to /web.config URI, which may be susceptible to the SkipAuthentication vulnerability described in CVE-2020-10148.
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
Tactic: Initial Access
Technique: Exploit Public-Facing Application
For reference, see the MITRE ATT&CK vulnerability types here:
An Authentication Bypass occurs when there is a way to avoid providing user credentials to a system before performing restricted operations on said system.
CVE Additional Information