high
8.6
CWE
119 20 787
Advisory Published

cisco-sa-sdwan-dosmulti-48jJuEUP: 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. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-dosmulti-48jJuEUP

Credit: CVE-2021-1273: This vulnerability was found by Joseph Connor Cisco during internal security testingCVE-2021-1274: This vulnerability was found by Arthur Vidineyev Cisco during internal security testingCVE-2021-1278: This vulnerability was found by Andrew Kim Cisco during internal security testingCVE-2021-1279: CVE-2021-1241: This vulnerability were found during the resolution a Cisco TAC support case

Affected SoftwareAffected VersionHow to fix
Cisco SD-WAN Solution=20.4<20.4.1=20.3<20.3.1>=19.3<=20.1<20.1.2=19.2<19.2.4>=.3<18=18.3<=18.4<18.4.6
20.4.1
20.3.1
20.1.2
19.2.4
18.4.6
Cisco IOS XE SD-WAN Releases>=16.9=16.10=16.11<=16.12<16.12.4
16.12.4

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of cisco-sa-sdwan-dosmulti-48jJuEUP?

    The severity of cisco-sa-sdwan-dosmulti-48jJuEUP is critical due to the potential for denial of service attacks.

  • How do I fix cisco-sa-sdwan-dosmulti-48jJuEUP?

    To fix cisco-sa-sdwan-dosmulti-48jJuEUP, upgrade your affected Cisco SD-WAN and IOS XE SD-WAN products to the recommended software versions.

  • Which Cisco products are affected by cisco-sa-sdwan-dosmulti-48jJuEUP?

    Affected products include various versions of Cisco SD-WAN and IOS XE SD-WAN releases.

  • Can cisco-sa-sdwan-dosmulti-48jJuEUP be exploited remotely?

    Yes, cisco-sa-sdwan-dosmulti-48jJuEUP can be exploited by an unauthenticated remote attacker.

  • Is there a workaround for cisco-sa-sdwan-dosmulti-48jJuEUP?

    There are no specific workarounds for cisco-sa-sdwan-dosmulti-48jJuEUP; updating the software is recommended.

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