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HIGH · 8.6

CVE-2021-1273

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 thes...

Vulnerability Description

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.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoIos Xe Sd-Wan-
CiscoSd-Wan Firmware18.3.5
CiscoSd-Wan Vsmart Controller FirmwareAll versions
CiscoVedge 100 Router-
CiscoVedge 1000 Router-
CiscoVedge 100B Router-
CiscoVedge 100M Router-
CiscoVedge 100Wm Router-
CiscoVedge 2000 Router-
CiscoVedge 5000 Router-
CiscoVedge Cloud Router-
CiscoCatalyst Sd-Wan Manager-
CiscoSd-Wan Vbond Orchestrator-

Related Weaknesses (CWE)

CWE-119

References

FAQ

What is CVE-2021-1273?

CVE-2021-1273 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 thes...

How severe is CVE-2021-1273?

CVE-2021-1273 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-1273?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe Sd-Wan, Cisco Sd-Wan Firmware, Cisco Sd-Wan Vsmart Controller Firmware, Cisco Vedge 100 Router, Cisco Vedge 1000 Router.