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Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability

cisco-sa-iosxe-sdwdos-4zeEeC9w · High · Published · Updated

A vulnerability in the vDaemon process of Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a device to reload, resulting a denial of service (DoS) condition. This vulnerability is due to insufficient handling of malformed packets. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwdos-4zeEeC9w This advisory is part of the March 2021 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2021 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.

Cisco advisory · CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2021-1431
Cisco Bug IDsCSCvu95283
CVSS ScoreBase 7.5
Base 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco IOS XE Catalyst SD-WAN, Cisco IOS XE Software 16.11.1, Cisco IOS XE Software 16.11.1a, Cisco IOS XE Software 16.11.1b, Cisco IOS XE Software 16.11.2, Cisco IOS XE Software 16.11.1s, Cisco IOS XE Software 16.11.1c, Cisco IOS XE Software 16.12.1, Cisco IOS XE Software 16.12.1s, Cisco IOS XE Software 16.12.1a, Cisco IOS XE Software 16.12.1c, Cisco IOS XE Software 16.12.1w, Cisco IOS XE Software 16.12.2, Cisco IOS XE Software 16.12.1y, Cisco IOS XE Software 16.12.2a, Cisco IOS XE Software 16.12.3, Cisco IOS XE Software 16.12.2s, Cisco IOS XE Software 16.12.1x, Cisco IOS XE Software 16.12.1t, Cisco IOS XE Software 16.12.2t, Cisco IOS XE Software 16.12.4, Cisco IOS XE Software 16.12.3s, Cisco IOS XE Software 16.12.1z, Cisco IOS XE Software 16.12.3a, Cisco IOS XE Software 16.12.4a, Cisco IOS XE Software 17.2.1, Cisco IOS XE Software 17.2.1r, Cisco IOS XE Software 17.2.1a, Cisco IOS XE Software 17.2.1v, Cisco IOS XE Software 17.2.2, Cisco IOS XE Software 17.11.99SW

Related Products

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