CVE-2026-20190

HIGH

Cisco Identity Services Engine Information Disclosure Vulnerability

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0041
EPSS Percentile 32.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-285
Status published
Products (14)
Cisco/Cisco Identity Services Engine Software 3.4 Patch 1
Cisco/Cisco Identity Services Engine Software 3.4 Patch 2
Cisco/Cisco Identity Services Engine Software 3.4 Patch 3
Cisco/Cisco Identity Services Engine Software 3.4 Patch 4
Cisco/Cisco Identity Services Engine Software 3.4 Patch 5
Cisco/Cisco Identity Services Engine Software 3.4.0
Cisco/Cisco Identity Services Engine Software 3.5 Patch 1
Cisco/Cisco Identity Services Engine Software 3.5 Patch 2
Cisco/Cisco Identity Services Engine Software 3.5.0
Cisco/Cisco ISE Passive Identity Connector 3.4.0
... and 4 more
Published Jun 17, 2026
Tracked Since Jun 17, 2026