SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.
SERVER-WEBAPP Arcadyan routers path traversal attempt
This rule looks for
This rule looks for attempts to exploit a path traversal vulnerability in Arcadyan routers.
Public information/Proof of Concept available
No known false positives
Cisco Talos Intelligence Group
MITRE::ATT&CK Framework::Enterprise::Initial Access::Exploit Public-Facing Application
Directory Traversal
A Directory Traversal attack targets HTTP traffic and allows the attacker to access directories outside the applications own, potentially exposing sensitive system files to leakage or overwriting. This is also known as Directory Climbing, Path Traversal, or Backtracking. An alert on this kind of attack indicates a vulnerability in security validation of user input that allows a "traverse to parent directory" or "../" command to pass through. Protect your site by filtering all user input, removing any characters but the allowed data.
CVE-2021-20090 |
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Tactic: Initial Access
Technique: Exploit Public-Facing Application
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org