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CVE-2022-20678

Cisco IOS XE Software AppNav-XE Denial of Service Vulnerability

A vulnerability in the AppNav-XE feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to the incorrect handling of certain TCP segments. An attacker could exploit this vulnerability by sending a stream of crafted TCP traffic at a high rate through an interface of an affected device. That interface would need to have AppNav interception enabled. A successful exploit could allow the attacker to cause the device to reload.

CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
1100-4g Integrated Services Router 1100-6g Integrated Services Router 1101 Integrated Services Router and 22 more
CVE-2021-1529

Cisco IOS XE SD-WAN Software Command Injection Vulnerability

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
1000 Integrated Services Router 1100-4g\/6g Integrated Services Router 1100-4p Integrated Services Router and 54 more