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    Dashboard / CVE / CVE-2021-28510

    CVE-2021-28510

    For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart. Repeated restarts of the service will make the service unavailable.

    Published:Jan 24, 2023
    Last Modified:Apr 1, 2025
    EPS:Jan 24, 2023
    EPSS Score:0.00224
    CVSS Score:5.3

    Affected Products

    Vendor
    Arista
    Product
    7020r
    Vendor
    Arista
    Product
    7050cx3-32s
    Vendor
    Arista
    Product
    7050cx3m-32s
    Vendor
    Arista
    Product
    7050qx-32s
    Vendor
    Arista
    Product
    7050qx2-32s
    Vendor
    Arista
    Product
    7050sx-128
    Vendor
    Arista
    Product
    7050sx-64
    Vendor
    Arista
    Product
    7050sx-72q
    Vendor
    Arista
    Product
    7050sx2-128
    Vendor
    Arista
    Product
    7050sx2-72q
    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
    7050tx-48
    Vendor
    Arista
    Product
    7050tx-64
    Vendor
    Arista
    Product
    7050tx-72q
    Vendor
    Arista
    Product
    7050tx2-128
    Vendor
    Arista
    Product
    7050tx3-48c8
    Vendor
    Arista
    Product
    7060cx-32s
    Vendor
    Arista
    Product
    7060cx2-32s
    Vendor
    Arista
    Product
    7060dx4-32
    Vendor
    Arista
    Product
    7060px4-32
    Vendor
    Arista
    Product
    7060sx2-48yc6
    Vendor
    Arista
    Product
    7150s-24
    Vendor
    Arista
    Product
    7150s-52
    Vendor
    Arista
    Product
    7150s-64
    Vendor
    Arista
    Product
    7150sc-24
    Vendor
    Arista
    Product
    7150sc-64
    Vendor
    Arista
    Product
    7170-32c
    Vendor
    Arista
    Product
    7170-32cd
    Vendor
    Arista
    Product
    7170-64c
    Vendor
    Arista
    Product
    720xp-24y6
    Vendor
    Arista
    Product
    720xp-24zy4
    Vendor
    Arista
    Product
    720xp-48y6
    Vendor
    Arista
    Product
    720xp-48zc2
    Vendor
    Arista
    Product
    720xp-96zc2
    Vendor
    Arista
    Product
    7250qx-64
    Vendor
    Arista
    Product
    7260cx
    Vendor
    Arista
    Product
    7260cx3
    Vendor
    Arista
    Product
    7260cx3-64
    Vendor
    Arista
    Product
    7260qx
    Vendor
    Arista
    Product
    7280e
    Vendor
    Arista
    Product
    7280r
    Vendor
    Arista
    Product
    7280r2
    Vendor
    Arista
    Product
    7280r3
    Vendor
    Arista
    Product
    7280sr3-48yc8
    Vendor
    Arista
    Product
    7280sr3k-48yc8
    Vendor
    Arista
    Product
    7300x-32q
    Vendor
    Arista
    Product
    7300x-64s
    Vendor
    Arista
    Product
    7300x-64t
    Vendor
    Arista
    Product
    7300x3-32c
    Vendor
    Arista
    Product
    7300x3-48yc4
    Vendor
    Arista
    Product
    7304x3
    Vendor
    Arista
    Product
    7308x3
    Vendor
    Arista
    Product
    7320x-32c
    Vendor
    Arista
    Product
    7324x
    Vendor
    Arista
    Product
    7328x
    Vendor
    Arista
    Product
    7368x4
    Vendor
    Arista
    Product
    7500e
    Vendor
    Arista
    Product
    7500r
    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
    7504r3
    Vendor
    Arista
    Product
    7508r3
    Vendor
    Arista
    Product
    7512r3
    Vendor
    Arista
    Product
    7800r3-36p
    Vendor
    Arista
    Product
    7800r3-48cq
    Vendor
    Arista
    Product
    7800r3k-48cq
    Vendor
    Arista
    Product
    7804r3
    Vendor
    Arista
    Product
    7808r3
    Vendor
    Arista
    Product
    Eos

    Exploits

    https://www.arista.com/en/support/advisories-notices/security-advisory/15439-security-advisory-0076https://www.arista.com/en/support/advisories-notices/security-advisory/15439-security-advisory-0076

    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