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 [“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 [“https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74408”].
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | cisco_ios_xe_software | 16.11 | cpe:2.3:a:cisco:cisco_ios_xe_software:16.11:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 16.12 | cpe:2.3:a:cisco:cisco_ios_xe_software:16.12:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 17.2 | cpe:2.3:a:cisco:cisco_ios_xe_software:17.2:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | any | cpe:2.3:a:cisco:cisco_ios_xe_software:any:*:*:*:*:*:*:* |
cisco | ios_xe_sd-wan | any | cpe:2.3:o:cisco:ios_xe_sd-wan:any:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 16.11.1 | cpe:2.3:a:cisco:cisco_ios_xe_software:16.11.1:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 16.11.1a | cpe:2.3:a:cisco:cisco_ios_xe_software:16.11.1a:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 16.11.1b | cpe:2.3:a:cisco:cisco_ios_xe_software:16.11.1b:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 16.11.2 | cpe:2.3:a:cisco:cisco_ios_xe_software:16.11.2:*:*:*:*:*:*:* |
cisco | cisco_ios_xe_software | 16.11.1s | cpe:2.3:a:cisco:cisco_ios_xe_software:16.11.1s:*:*:*:*:*:*:* |