CVE-2026-20190
Cisco Identity Services Engine Information Disclosure Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-285 |
| Vendor | cisco |
| Product | cisco identity services engine software |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Jun 17, 2026 |
| Last Updated | Jun 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Cisco / Cisco Identity Services Engine Software
3.4.0 3.4 Patch 1 3.4 Patch 2 3.4 Patch 3 3.5.0 3.4 Patch 4 3.5 Patch 1 3.4 Patch 5 3.5 Patch 2
Cisco / Cisco ISE Passive Identity Connector
3.4.0