CVE-2026-20147 - Vulnerability Analysis
CriticalCVSS: 9.9Last Updated: April 15, 2026
Cisco ISE - Command Injection
Published: April 15, 2026Updated: April 15, 2026Remote Exploitable
Overview
Cisco ISE and Cisco ISE-PIC contain a command injection caused by insufficient validation of user-supplied input in HTTP requests, letting authenticated remote attackers with admin credentials execute arbitrary OS commands and cause DoS.
Severity & Score
Severity: Critical
CVSS Score: 9.9
Impact
Authenticated attackers can execute arbitrary OS commands, escalate to root, and cause denial of service on single-node deployments.
Mitigation
Update to the latest Cisco ISE version with the fix applied.
Related Resources
Details
- CVE ID
- CVE-2026-20147
- Severity
- Critical
- CVSS Score
- 9.9
- Type
- command_injection
- Status
- new
CWE
- CWE-77
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H