CVE-2026-20285: Cisco Identity Services Engine Authorization Bypass Vulnerability
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. This vulnerability is due to the lack of server-side validation of Administrator permissions. An attacker could exploit this vulnerability by submitting a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify descriptions of files on a specific page. To exploit this vulnerability, an attacker would need valid Administrator credentials.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
An attacker must be remote, authenticated, and possess valid Administrator credentials for an affected Cisco ISE or Cisco ISE-PIC system. No user interaction is required.
What can a successful attacker change?
A successful exploit allows modification of file descriptions on a specific page. The provided information does not indicate that file contents, other configuration areas, confidentiality, or availability are affected.
How is the vulnerability exploited?
The attacker submits a crafted HTTP request to the web-based management interface. The issue results from missing server-side validation of Administrator permissions.