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    Dashboard / CVE / CVE-2023-20033

    CVE-2023-20033

    A vulnerability in Cisco IOS XE Software for Cisco Catalyst 3650 and Catalyst 3850 Series Switches could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper resource management when processing traffic that is received on the management interface. An attacker could exploit this vulnerability by sending a high rate of traffic to the management interface. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

    Published:Sep 27, 2023
    Last Modified:Jun 18, 2025
    EPS:Sep 27, 2023
    EPSS Score:0.00174
    CVSS Score:8.6

    Affected Products

    Vendor
    Cisco
    Product
    Catalyst 3650-12x48fd-e
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48fd-l
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48fd-s
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uq
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uq-e
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uq-l
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uq-s
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48ur
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48ur-e
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48ur-l
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48ur-s
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uz
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uz-e
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uz-l
    Vendor
    Cisco
    Product
    Catalyst 3650-12x48uz-s
    Vendor
    Cisco
    Product
    Catalyst 3650-24pd
    Vendor
    Cisco
    Product
    Catalyst 3650-24pd-e
    Vendor
    Cisco
    Product
    Catalyst 3650-24pd-l
    Vendor
    Cisco
    Product
    Catalyst 3650-24pd-s
    Vendor
    Cisco
    Product
    Catalyst 3650-24pdm
    Vendor
    Cisco
    Product
    Catalyst 3650-24pdm-e
    Vendor
    Cisco
    Product
    Catalyst 3650-24pdm-l
    Vendor
    Cisco
    Product
    Catalyst 3650-24pdm-s
    Vendor
    Cisco
    Product
    Catalyst 3650-24ps-e
    Vendor
    Cisco
    Product
    Catalyst 3650-24ps-l
    Vendor
    Cisco
    Product
    Catalyst 3650-24ps-s
    Vendor
    Cisco
    Product
    Catalyst 3650-24td-e
    Vendor
    Cisco
    Product
    Catalyst 3650-24td-l
    Vendor
    Cisco
    Product
    Catalyst 3650-24td-s
    Vendor
    Cisco
    Product
    Catalyst 3650-24ts-e
    Vendor
    Cisco
    Product
    Catalyst 3650-24ts-l
    Vendor
    Cisco
    Product
    Catalyst 3650-24ts-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48fd-e
    Vendor
    Cisco
    Product
    Catalyst 3650-48fd-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48fd-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48fq
    Vendor
    Cisco
    Product
    Catalyst 3650-48fq-e
    Vendor
    Cisco
    Product
    Catalyst 3650-48fq-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48fq-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48fqm
    Vendor
    Cisco
    Product
    Catalyst 3650-48fqm-e
    Vendor
    Cisco
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    Catalyst 3650-48fqm-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48fqm-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48fs-e
    Vendor
    Cisco
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    Catalyst 3650-48fs-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48fs-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48pd-e
    Vendor
    Cisco
    Product
    Catalyst 3650-48pd-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48pd-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48pq-e
    Vendor
    Cisco
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    Catalyst 3650-48pq-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48pq-s
    Vendor
    Cisco
    Product
    Catalyst 3650-48ps-e
    Vendor
    Cisco
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    Catalyst 3650-48ps-l
    Vendor
    Cisco
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    Catalyst 3650-48ps-s
    Vendor
    Cisco
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    Catalyst 3650-48td-e
    Vendor
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    Catalyst 3650-48td-l
    Vendor
    Cisco
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    Catalyst 3650-48td-s
    Vendor
    Cisco
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    Catalyst 3650-48tq-e
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    Cisco
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    Catalyst 3650-48tq-l
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    Catalyst 3650-48tq-s
    Vendor
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    Catalyst 3650-48ts-e
    Vendor
    Cisco
    Product
    Catalyst 3650-48ts-l
    Vendor
    Cisco
    Product
    Catalyst 3650-48ts-s
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24pd-e
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24pd-l
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24pd-s
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24uq
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24uq-e
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24uq-l
    Vendor
    Cisco
    Product
    Catalyst 3650-8x24uq-s
    Vendor
    Cisco
    Product
    Catalyst 3850-12s-e
    Vendor
    Cisco
    Product
    Catalyst 3850-12s-s
    Vendor
    Cisco
    Product
    Catalyst 3850-12x48u
    Vendor
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    Product
    Catalyst 3850-12xs-e
    Vendor
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    Product
    Catalyst 3850-12xs-s
    Vendor
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    Catalyst 3850-16xs-e
    Vendor
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    Catalyst 3850-16xs-s
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    Catalyst 3850-24p-e
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    Catalyst 3850-24p-l
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    Catalyst 3850-24p-s
    Vendor
    Cisco
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    Catalyst 3850-24pw-s
    Vendor
    Cisco
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    Catalyst 3850-24s-e
    Vendor
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    Catalyst 3850-24s-s
    Vendor
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    Catalyst 3850-24t-e
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    Catalyst 3850-24t-l
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    Catalyst 3850-24t-s
    Vendor
    Cisco
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    Catalyst 3850-24u
    Vendor
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    Catalyst 3850-24u-e
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    Catalyst 3850-24u-l
    Vendor
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    Catalyst 3850-24u-s
    Vendor
    Cisco
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    Catalyst 3850-24xs
    Vendor
    Cisco
    Product
    Catalyst 3850-24xs-e
    Vendor
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    Product
    Catalyst 3850-24xs-s
    Vendor
    Cisco
    Product
    Catalyst 3850-24xu
    Vendor
    Cisco
    Product
    Catalyst 3850-24xu-e
    Vendor
    Cisco
    Product
    Catalyst 3850-24xu-l
    Vendor
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    Catalyst 3850-24xu-s
    Vendor
    Cisco
    Product
    Catalyst 3850-32xs-e
    Vendor
    Cisco
    Product
    Catalyst 3850-32xs-s
    Vendor
    Cisco
    Product
    Catalyst 3850-48f-e
    Vendor
    Cisco
    Product
    Catalyst 3850-48f-l
    Vendor
    Cisco
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    Catalyst 3850-48f-s
    Vendor
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    Catalyst 3850-48p-e
    Vendor
    Cisco
    Product
    Catalyst 3850-48p-l
    Vendor
    Cisco
    Product
    Catalyst 3850-48p-s
    Vendor
    Cisco
    Product
    Catalyst 3850-48pw-s
    Vendor
    Cisco
    Product
    Catalyst 3850-48t-e
    Vendor
    Cisco
    Product
    Catalyst 3850-48t-l
    Vendor
    Cisco
    Product
    Catalyst 3850-48t-s
    Vendor
    Cisco
    Product
    Catalyst 3850-48u
    Vendor
    Cisco
    Product
    Catalyst 3850-48u-e
    Vendor
    Cisco
    Product
    Catalyst 3850-48u-l
    Vendor
    Cisco
    Product
    Catalyst 3850-48u-s
    Vendor
    Cisco
    Product
    Catalyst 3850-48xs
    Vendor
    Cisco
    Product
    Catalyst 3850-48xs-e
    Vendor
    Cisco
    Product
    Catalyst 3850-48xs-f-e
    Vendor
    Cisco
    Product
    Catalyst 3850-48xs-f-s
    Vendor
    Cisco
    Product
    Catalyst 3850-48xs-s
    Vendor
    Cisco
    Product
    Catalyst 3850-nm-2-40g
    Vendor
    Cisco
    Product
    Catalyst 3850-nm-8-10g
    Vendor
    Cisco
    Product
    Catalyst C3850-12x48u-e
    Vendor
    Cisco
    Product
    Catalyst C3850-12x48u-l
    Vendor
    Cisco
    Product
    Catalyst C3850-12x48u-s
    Vendor
    Cisco
    Product
    Ios Xe

    Exploits

    No exploit reference

    Related CVEs

    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