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-2026-20130 are related to improper neutralization of special elements issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-74.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 42
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*
|
3.1.0
|
3.3.0
|
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch10:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch11:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch7:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch8:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch9:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch4:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch5:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch6:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.5.0:-:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch1:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch2:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine
cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch3:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:*
|
3.1.0
|
3.3.0
|
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch10:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch11:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch2:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch3:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch4:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch5:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch6:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch7:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch8:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch9:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch2:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch3:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch4:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch5:*:*:*:*:*:*
|
— | — |
|
Cisco Identity_Services_Engine_Passive_Identity_Connector
cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch6:*:*:*:*:*:*
|
— | — |