CVE-2020-3465: Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability
A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The vulnerability is due to incorrect handling of certain valid, but not typical, Ethernet frames. An attacker could exploit this vulnerability by sending the Ethernet frames onto the Ethernet segment. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-3465?
CVE-2020-3465 is a vulnerability in Cisco IOS XE Software that could allow an unauthenticated adjacent attacker to cause a device to reload.
How severe is CVE-2020-3465?
CVE-2020-3465 has a severity rating of 6.5, which is considered high.
Which software versions are affected by CVE-2020-3465?
Cisco IOS XE Software versions 16.6.9 and 17.4.1 are affected by CVE-2020-3465.
How can an attacker exploit CVE-2020-3465?
An attacker can exploit CVE-2020-3465 by sending certain valid Ethernet frames to a vulnerable device.
Where can I find more information about CVE-2020-3465?
You can find more information about CVE-2020-3465 on the Cisco Security Advisory website.