CVE-2026-20190

High

Description

A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device. This vulnerability is due to improper authorization checks when a resource is accessed. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks.

SeverityHigh
CVSS7.5
Exploit probability—
ProductCisco Identity Services Engine
PublishedJun 17, 2026
First seenJun 17, 2026
Weakness typeCWE-285CWE-285

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco identity_services_engine3.4.0, 3.5.0—
cisco identity_services_engine_passive_identity_connector3.4.0—

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