CVE-2019-12657CWE-20

Cisco IOS XE Software Unified Threat Defense Denial of Service Vulnerability

High · published September 25, 2019

CVSS v3.0
8.6
EPSS
2%
Percentile
80.4
In the wild
Unconfirmed
What it is

A vulnerability in Unified Threat Defense (UTD) in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper validation of IPv6 packets through the UTD feature. An attacker could exploit this vulnerability by sending IPv6 traffic through an affected device that is configured with UTD. 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 v3.0
8.6 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01983 · 80.4th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2019-09-25T20:15Z
EPSS history
Timeline
  • 25 SEP 20:15Z
    Cisco IOS XE Software Unified Threat Defense Denial of Service Vulnerability
    cvelistv5