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    CVE-2026-20234

    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.

    Published:Sep 16, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 16, 2026
    EPSS Score:0.00373
    CVSS Score:9.9

    Affected Products

    Vendor
    Cisco
    Product
    Identity Services Engine
    Vendor
    Cisco
    Product
    Identity Services Engine Passive Identity Connector
    Vendor
    Cisco
    Product
    Identity Services Engine Software

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High