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Critical severity10.0NVD Advisory· Published Sep 16, 2026· Updated Sep 28, 2026

CVE-2026-20192

CVE-2026-20192

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.

The vulnerabilities tracked by CVE-2026-20192 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

AI Insight

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

Affected products

44
  • Cisco Systems, Inc./Identity Services Engine Software23 versions
    cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*+ 22 more
    • cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*range: >=3.1.0,<3.3.0
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch10:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch11:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch9:*:*:*:*:*:*
    • 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:3.4.0:patch6:*:*:*:*:*:*
    • 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:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch3:*:*:*:*:*:*
  • Cisco Systems, Inc./Identity Services Engine Passive Identity Connector19 versions
    cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:*+ 18 more
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:*range: >=3.1.0,<3.3.0
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch10:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch11:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch9:*:*:*:*:*:*
    • 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:3.4.0:patch6:*:*:*:*:*:*
  • Cisco Systems, Inc./Identify Services Enginellm-fuzzy
  • Cisco Systems, Inc./Cisco ISE Passive Identity Connectorllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

1