CVE-2026-20130: Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities
Published Sep 16, 2026
·Updated
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.
Affected Software
44 affected components
Cisco Cisco Identity Services Engine (ISE)
Cisco Cisco ISE Passive Identity Connector (ISE-PIC)
Cisco Identity Services Engine>=3.1.0<3.3.0
Cisco Identity Services Engine=3.3.0-patch1
Cisco Identity Services Engine=3.3.0-patch10
Cisco Identity Services Engine=3.3.0-patch11
Cisco Identity Services Engine=3.3.0-patch2
Cisco Identity Services Engine=3.3.0-patch3
Cisco Identity Services Engine=3.3.0-patch4
Cisco Identity Services Engine=3.3.0-patch5
Cisco Identity Services Engine=3.3.0-patch6
Cisco Identity Services Engine=3.3.0-patch7
Cisco Identity Services Engine=3.3.0-patch8
Cisco Identity Services Engine=3.3.0-patch9
Cisco Identity Services Engine=3.4.0
Cisco Identity Services Engine=3.4.0-patch1
Cisco Identity Services Engine=3.4.0-patch2
Cisco Identity Services Engine=3.4.0-patch3
Cisco Identity Services Engine=3.4.0-patch4
Cisco Identity Services Engine=3.4.0-patch5
Cisco Identity Services Engine=3.4.0-patch6
Cisco Identity Services Engine=3.5.0
Cisco Identity Services Engine=3.5.0-patch1
Cisco Identity Services Engine=3.5.0-patch2
Cisco Identity Services Engine=3.5.0-patch3
Cisco Identity Services Engine Passive Identity Connector>=3.1.0<3.3.0
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch1
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch10
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch11
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch2
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch3
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch4
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch5
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch6
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch7
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch8
Cisco Identity Services Engine Passive Identity Connector=3.3.0-patch9
Cisco Identity Services Engine Passive Identity Connector=3.4.0
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch1
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch2
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch3
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch4
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch5
Cisco Identity Services Engine Passive Identity Connector=3.4.0-patch6
Event History
Sep 16, 2026
CVE Published
via MITRE·08:08 PM
Data Sourced
via MITRE·08:08 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software