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    CVE-2021-28509

    This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.

    Published:May 26, 2022
    Last Modified:Nov 21, 2024
    EPS:May 26, 2022
    EPSS Score:0.00142
    CVSS Score:6.1

    Affected Products

    Vendor
    Arista
    Product
    7050cx3-32s
    Vendor
    Arista
    Product
    7050cx3m-32s
    Vendor
    Arista
    Product
    7050sx3-48c8
    Vendor
    Arista
    Product
    7050sx3-48yc
    Vendor
    Arista
    Product
    7050sx3-48yc12
    Vendor
    Arista
    Product
    7050sx3-48yc8
    Vendor
    Arista
    Product
    7050sx3-96yc8
    Vendor
    Arista
    Product
    7050tx3-48c8
    Vendor
    Arista
    Product
    7280cr2ak-30
    Vendor
    Arista
    Product
    7280cr2k-60
    Vendor
    Arista
    Product
    7280cr3-32d4
    Vendor
    Arista
    Product
    7280cr3-32p4
    Vendor
    Arista
    Product
    7280cr3-96
    Vendor
    Arista
    Product
    7280cr3k-32d4
    Vendor
    Arista
    Product
    7280cr3k-32p4
    Vendor
    Arista
    Product
    7280cr3k-96
    Vendor
    Arista
    Product
    7280dr3-24
    Vendor
    Arista
    Product
    7280dr3k-24
    Vendor
    Arista
    Product
    7280pr3-24
    Vendor
    Arista
    Product
    7280pr3k-24
    Vendor
    Arista
    Product
    7280r2
    Vendor
    Arista
    Product
    7280r3
    Vendor
    Arista
    Product
    7280sr3-48yc8
    Vendor
    Arista
    Product
    7280sr3k-48yc8
    Vendor
    Arista
    Product
    7388x5
    Vendor
    Arista
    Product
    7500r2
    Vendor
    Arista
    Product
    7500r3
    Vendor
    Arista
    Product
    7500r3-24d
    Vendor
    Arista
    Product
    7500r3-24p
    Vendor
    Arista
    Product
    7500r3-36cq
    Vendor
    Arista
    Product
    7500r3k-36cq
    Vendor
    Arista
    Product
    7800r3-36p
    Vendor
    Arista
    Product
    7800r3-48cq
    Vendor
    Arista
    Product
    7800r3k-48cq
    Vendor
    Arista
    Product
    Ccs-722xpm-48y4
    Vendor
    Arista
    Product
    Ccs-722xpm-48zy8
    Vendor
    Arista
    Product
    Dcs-7050cx3-32s
    Vendor
    Arista
    Product
    Dcs-7050cx3-32s-r
    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
    Eos
    Vendor
    Arista
    Product
    Terminattr

    Exploits

    https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077

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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