CVE-2026-20234

EUVD-2026-80890
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-2026-20234 are related to insufficiently protected credentials issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-522.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.9 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 34.24%
Affected Products (NVD)
VendorProductVersion
ciscoidentity_services_engine
3.1.0 ≤
𝑥
< 3.3.0
ciscoidentity_services_engine
3.3.0:patch1
ciscoidentity_services_engine
3.3.0:patch10
ciscoidentity_services_engine
3.3.0:patch11
ciscoidentity_services_engine
3.3.0:patch2
ciscoidentity_services_engine
3.3.0:patch3
ciscoidentity_services_engine
3.3.0:patch4
ciscoidentity_services_engine
3.3.0:patch5
ciscoidentity_services_engine
3.3.0:patch6
ciscoidentity_services_engine
3.3.0:patch7
ciscoidentity_services_engine
3.3.0:patch8
ciscoidentity_services_engine
3.3.0:patch9
ciscoidentity_services_engine
3.4.0
ciscoidentity_services_engine
3.4.0:patch1
ciscoidentity_services_engine
3.4.0:patch2
ciscoidentity_services_engine
3.4.0:patch3
ciscoidentity_services_engine
3.4.0:patch4
ciscoidentity_services_engine
3.4.0:patch5
ciscoidentity_services_engine
3.4.0:patch6
ciscoidentity_services_engine
3.5.0
ciscoidentity_services_engine
3.5.0:patch1
ciscoidentity_services_engine
3.5.0:patch2
ciscoidentity_services_engine
3.5.0:patch3
ciscoidentity_services_engine_passive_identity_connector
3.1.0 ≤
𝑥
< 3.3.0
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch1
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch10
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch11
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch2
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch3
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch4
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch5
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch6
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch7
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch8
ciscoidentity_services_engine_passive_identity_connector
3.3.0:patch9
ciscoidentity_services_engine_passive_identity_connector
3.4.0
ciscoidentity_services_engine_passive_identity_connector
3.4.0:patch1
ciscoidentity_services_engine_passive_identity_connector
3.4.0:patch2
ciscoidentity_services_engine_passive_identity_connector
3.4.0:patch3
ciscoidentity_services_engine_passive_identity_connector
3.4.0:patch4
ciscoidentity_services_engine_passive_identity_connector
3.4.0:patch5
ciscoidentity_services_engine_passive_identity_connector
3.4.0:patch6
𝑥
= Vulnerable software versions