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    CVE-2021-28505

    On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL rules in that access list will ignore the specified IP protocol.

    Published:Apr 14, 2022
    Last Modified:Nov 21, 2024
    EPS:Apr 14, 2022
    EPSS Score:0.00203
    CVSS Score:7.5

    Affected Products

    Vendor
    Arista
    Product
    Ccs-710p-12
    Vendor
    Arista
    Product
    Ccs-710p-16p
    Vendor
    Arista
    Product
    Ccs-720xp-24y6
    Vendor
    Arista
    Product
    Ccs-720xp-24zy4
    Vendor
    Arista
    Product
    Ccs-720xp-48y6
    Vendor
    Arista
    Product
    Ccs-720xp-48zc2
    Vendor
    Arista
    Product
    Ccs-720xp-96zc2
    Vendor
    Arista
    Product
    Ccs-722xpm-48y4
    Vendor
    Arista
    Product
    Ccs-722xpm-48zy8
    Vendor
    Arista
    Product
    Dcs-7010tx-48
    Vendor
    Arista
    Product
    Dcs-7050cx3-32s
    Vendor
    Arista
    Product
    Dcs-7050cx3m-32s
    Vendor
    Arista
    Product
    Dcs-7050sx3-48c8
    Vendor
    Arista
    Product
    Dcs-7050sx3-48yc12
    Vendor
    Arista
    Product
    Dcs-7050sx3-48yc8
    Vendor
    Arista
    Product
    Dcs-7050sx3-96yc8
    Vendor
    Arista
    Product
    Dcs-7050tx3-48c8
    Vendor
    Arista
    Product
    Eos

    Exploits

    https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073

    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