CVE-2026-20241: Medium severity vulnerability

Published Nov 4, 2026

A vulnerability in the authorization mechanism of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an unauthenticated, remote attacker to obtain an endpoint identity certificate. This vulnerability is due to improper authorization checks. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to bypass authorization to obtain an endpoint certificate.

Frequently Asked Questions

1

What access does an attacker need to exploit this issue?

An attacker does not need authentication, prior privileges, or user interaction. They can attempt exploitation remotely by sending a crafted request to an affected device.

2

What could an attacker obtain if exploitation succeeds?

A successful exploit allows the attacker to bypass authorization checks and obtain an endpoint identity certificate. The provided information indicates confidentiality impact only, with no stated integrity or availability impact.

3

Which products are identified as affected?

The vulnerability is identified in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC). No affected versions, configuration requirements, or mitigation details are provided.

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