CVE-2023-20272: Cisco Identity Services Engine

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Identity Services Engine could allow an authenticated, remote attacker to upload malicious files to the web root of the application. This vulnerability is due to insufficient file input validation. An attacker could exploit this vulnerability by uploading a malicious file to the web interface. A successful exploit could allow the attacker to replace files and gain access to sensitive server-side information.

Affected products

• Cisco Identity Services Engine: version 3.0.0 only; version 3.1 only

Published 2023-11-21. Last modified 2026-06-17.