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CVE-2021-34777

CVSS 4.3v3.1pub. 2021-10-06upd. 2024-11-21

Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business 220 Series Smart Switches. An unauthenticated, adjacent attacker could perform the following: Execute code on the affected device or cause it to reload unexpectedly Cause LLDP database corruption on the affected device For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent). Cisco has released firmware updates that address these vulnerabilities.

oryginał EN
CVSS Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

  • Cisco Business 220 16p 2g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 16p 2g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 16t 2g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 16t 2g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 24fp 4g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 24fp 4g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 24fp 4x

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 24fp 4x Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 24p 4g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 24p 4g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 24p 4x

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 24p 4x Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 24t 4g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 24t 4g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 24t 4x

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 24t 4x Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 48fp 4x

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 48fp 4x Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 48p 4g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 48p 4g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 48p 4x

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 48p 4x Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 48t 4g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 48t 4g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 48t 4x

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 48t 4x Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 8fp E 2g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 8fp E 2g Firmware

    OS
    Cisco
    ≤ 1.2.0.6

  • Cisco Business 220 8p E 2g

    HW
    Cisco
    wszystkie wersje

  • Cisco Business 220 8p E 2g Firmware

    OS
    Cisco
    ≤ 1.2.0.6
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