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High severity7.5NVD Advisory· Published Jun 17, 2026· Updated Jun 22, 2026

CVE-2026-20190

CVE-2026-20190

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

20
  • Cisco Systems, Inc./Identity Services Engine Software9 versions
    cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:*+ 8 more
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch2:*:*:*:*:*:*
  • Cisco Systems, Inc./Identity Services Engine Passive Identity Connector9 versions
    cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:*+ 8 more
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.5.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.5.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.5.0:patch2:*:*:*:*:*:*
  • Cisco Systems, Inc./ISEllm-fuzzy
  • Cisco Systems, Inc./ISE-PICllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

5