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    CVE-2023-20202

    A vulnerability in the Wireless Network Control daemon (wncd) of Cisco IOS XE Software for Wireless LAN Controllers could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper memory management. An attacker could exploit this vulnerability by sending a series of network requests to an affected device. A successful exploit could allow the attacker to cause the wncd process to consume available memory and eventually cause the device to reload, resulting in a DoS condition.

    Published:Sep 27, 2023
    Last Modified:Nov 21, 2024
    EPS:Sep 27, 2023
    EPSS Score:0.0008
    CVSS Score:6.1

    Affected Products

    Vendor
    Cisco
    Product
    Catalyst 9105i
    Vendor
    Cisco
    Product
    Catalyst 9105w
    Vendor
    Cisco
    Product
    Catalyst 9115
    Vendor
    Cisco
    Product
    Catalyst 9120
    Vendor
    Cisco
    Product
    Catalyst 9124d
    Vendor
    Cisco
    Product
    Catalyst 9124e
    Vendor
    Cisco
    Product
    Catalyst 9124i
    Vendor
    Cisco
    Product
    Catalyst 9130
    Vendor
    Cisco
    Product
    Catalyst 9136
    Vendor
    Cisco
    Product
    Catalyst 9162
    Vendor
    Cisco
    Product
    Catalyst 9164
    Vendor
    Cisco
    Product
    Catalyst 9166
    Vendor
    Cisco
    Product
    Catalyst 9166d1
    Vendor
    Cisco
    Product
    Catalyst 9800-40
    Vendor
    Cisco
    Product
    Catalyst 9800-80
    Vendor
    Cisco
    Product
    Catalyst 9800-cl
    Vendor
    Cisco
    Product
    Catalyst 9800-l
    Vendor
    Cisco
    Product
    Catalyst Iw6300
    Vendor
    Cisco
    Product
    Esw6300
    Vendor
    Cisco
    Product
    Ios Xe
    Vendor
    Cisco
    Product
    Iw9167eh-x-ap
    Vendor
    Cisco
    Product
    Iw9167eh-x-urwb
    Vendor
    Cisco
    Product
    Iw9167eh-x-wgb
    Vendor
    Cisco
    Product
    Iw9167ih-x-ap

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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