Cisco FXOS, IOS XR, and NX-OS Software Cisco Discovery Protocol Denial of Service (CVE-2020-3120)

A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service DoS condition. The vulnerability is d...

5 High Impact Flaws Affect Cisco Routers, Switches, IP Phones and Cameras

Several Cisco-manufactured network equipments have been found vulnerable to five new security vulnerabilities that could allow hackers to take complete control over them, and subsequently, over the enterprise networks they power. Four of the five high-severity bugs are remote code execution issue...

CVE-2020-3120

CVE-2020-3120 affects Cisco FXOS, IOS XR, and NX-OS CDP handling. A missing check when processing Cisco Discovery Protocol messages could let an unauthenticated, adjacent attacker cause a device reload and DoS by sending crafted CDP packets (Layer 2). Impact per sources is DoS via memory exhausti...