CVE-2020-3465CWE-20

Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability

High · published September 24, 2020

CVSS v3.1
7.4
EPSS
1%
Percentile
51.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00666 · 51.2th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2020-09-24T17:53Z
EPSS history
Timeline
  • 24 SEP 17:53Z
    Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability
    cvelistv5