CVE-2021-40123: Cisco Identity Services Engine

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker with administrative read-only privileges to download files that should be restricted. This vulnerability is due to incorrect permissions settings on an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request to the device. A successful exploit could allow the attacker to download files that should be restricted.

Affected products

• Cisco Identity Services Engine: up to and including 2.6; version 2.6.0 only; version 2.7 only; version 2.7(0.207) only; version 2.7(0.356) only; version 2.7(0.903) only; …

Published 2021-10-21. Last modified 2026-06-17.