Vulnslist

Cisco vulnerabilities by product, model, software, and advisory.

CVE-2021-34727

A vulnerability in the vDaemon process in Cisco IOS XE SD-WAN Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. This vulnerability is due to insufficient bounds checking when an affected device processes traffic. An attacker could exploit this vulnerability by sending crafted traffic to the device. A successful exploit could allow the attacker to cause a buffer overflow and possibly execute arbitrary commands with root-level privileges, or cause the device to reload, which could result in a denial of service condition.

SeverityCRITICAL
CVSS9.8
CWECWE-120
KEV No
Published
Modified

Related Products

Product Advisory Evidence
Cisco IOS cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco Integrated Services Virtual Router cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco 4000 Series Integrated Services Routers cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco 1000 Series Integrated Services Routers cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco Cloud Services Router 1000V Series cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco 1100 Series Industrial Integrated Services Routers cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco IOS XE Catalyst SD-WAN cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco ASR 1000 Series Aggregation Services Routers cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln
Cisco Catalyst 9600 Series Switches cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln · software-dependent
Cisco Catalyst 9500 Series Switches cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln · software-dependent
Cisco Catalyst 9400 Series Switches cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln · software-dependent
Cisco Catalyst 9200 Series Switches cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln · software-dependent
Cisco Catalyst 9300 Series Switches cisco-sa-iosxesdwan-rbuffover-vE2OB6tp Cisco OpenVuln · software-dependent