8.6
CWE
59 119
Advisory Published
Updated

CVE-2021-1278: Cisco SD-WAN Denial of Service Vulnerabilities

First published: Wed Jan 20 2021(Updated: )

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE SD-WAN
Cisco Sd-wan Firmware=18.3.5
Cisco Sd-wan Firmware=18.3.8
Cisco Sd-wan Firmware=18.4.1
Cisco Sd-wan Firmware=18.4.4
Cisco Sd-wan Firmware=18.4.5
Cisco Sd-wan Firmware=19.2.0
Cisco Sd-wan Firmware=19.2.1
Cisco Sd-wan Firmware=19.2.2
Cisco Sd-wan Firmware=19.2.99
Cisco Sd-wan Firmware=20.1.0
Cisco Sd-wan Vsmart Controller Firmware
Cisco Vedge 100 Router
Cisco Vedge 1000 Router
Cisco Vedge 100b Router
Cisco Vedge 100m Router
Cisco Vedge 100wm Router
Cisco Vedge 2000 Router
Cisco Vedge 5000 Router
Cisco Vedge Cloud Router
Cisco Catalyst SD-WAN Manager
Cisco Sd-wan Vbond Orchestrator

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Frequently Asked Questions

  • What is the vulnerability ID for these Cisco SD-WAN vulnerabilities?

    The vulnerability ID for these Cisco SD-WAN vulnerabilities is CVE-2021-1278.

  • What is the severity of CVE-2021-1278?

    The severity of CVE-2021-1278 is high.

  • How can an unauthenticated remote attacker exploit CVE-2021-1278?

    An unauthenticated remote attacker can exploit CVE-2021-1278 to execute denial of service (DoS) attacks against an affected device.

  • Which Cisco SD-WAN products are affected by CVE-2021-1278?

    The affected Cisco SD-WAN products include Cisco IOS XE SD-WAN, Cisco SD-WAN Firmware versions 18.3.5, 18.3.8, 18.4.1, 18.4.4, 18.4.5, 19.2.0, 19.2.1, 19.2.2, 19.2.99, and 20.1.0, as well as Cisco SD-WAN Vsmart Controller Firmware, Cisco SD-WAN Manager, and Cisco SD-WAN Vbond Orchestrator.

  • Where can I find more information about CVE-2021-1278?

    You can find more information about CVE-2021-1278 in the Cisco Security Advisory.

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