Weakness
CWE-77 (Command Injection)
CVE-2026-20186 - Cisco ISE Command Injection
A vulnerability in Cisco Identity Services Engine (ISE) allows an authenticated, remote attacker to execute arbitrary commands on the underlying operating system.
Technical Summary
Section titled “Technical Summary”The vulnerability arises due to insufficient validation of user-supplied input in HTTP requests. An attacker possessing at least Read Only Admin credentials can exploit this to achieve command injection.
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Impact
Section titled “Impact”- Attacker with Read Only Admin credentials can gain OS-level access.
- Privilege escalation to root is possible.
- Denial of Service (DoS) risk in single-node deployments.
Forensic Artifacts
Section titled “Forensic Artifacts”- Logs: Monitor for crafted HTTP requests to the management interface.
- Registry/OS: Look for unauthorized command execution traces on the underlying OS.