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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-2022-20677

Cisco IOx Application Hosting Environment Vulnerabilities

Multiple vulnerabilities in the Cisco IOx application hosting environment on multiple Cisco platforms could allow an attacker to inject arbitrary commands into the underlying host operating system, execute arbitrary code on the underlying host operating system, install applications without being authenticated, or conduct a cross-site scripting (XSS) attack against a user of the affected software. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
1100-4g Integrated Services Router 1100-6g Integrated Services Router 1101 Integrated Services Router and 59 more