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    CVE-2020-3351

    A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper validation of fields in Cisco SD-WAN peering messages that are encapsulated in UDP packets. An attacker could exploit this vulnerability by sending crafted UDP messages to the targeted system. A successful exploit could allow the attacker to cause services on the device to fail, resulting in a DoS condition that could impact the targeted device and other devices that depend on it.

    Published:Jul 16, 2020
    Last Modified:Nov 21, 2024
    EPS:Jul 16, 2020
    EPSS Score:0.00564
    CVSS Score:8.6

    Affected Products

    Vendor
    Cisco
    Product
    Sd-wan Firmware
    Vendor
    Cisco
    Product
    Vedge 100
    Vendor
    Cisco
    Product
    Vedge 1000
    Vendor
    Cisco
    Product
    Vedge 100b
    Vendor
    Cisco
    Product
    Vedge 100m
    Vendor
    Cisco
    Product
    Vedge 100wm
    Vendor
    Cisco
    Product
    Vedge 2000
    Vendor
    Cisco
    Product
    Vedge 5000
    Vendor
    Cisco
    Product
    Vedge Cloud Router
    Vendor
    Cisco
    Product
    Vsmart Controller

    Exploits

    No exploit reference

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    CVE-2021-1262 (CVSS 7.8) — Multiple vulnerabilities in Cisco SD-WAN products could allow an authenticated attacker to perform command inj…
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    CVE-2021-1273 (CVSS 8.6) — Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute d…
    CVE-2021-1274 (CVSS 8.6) — Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute d…
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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