CVE-2019-1751CWE-20

Cisco IOS Software NAT64 Denial of Service Vulnerability

High · published March 28, 2019

CVSS v3.0
8.6
EPSS
3%
Percentile
84.7
In the wild
Unconfirmed
What it is

A vulnerability in the Network Address Translation 64 (NAT64) functions of Cisco IOS Software could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The vulnerability is due to the incorrect handling of certain IPv4 packet streams that are sent through the device. An attacker could exploit this vulnerability by sending specific IPv4 packet streams through the device. An exploit could allow the attacker to either cause an interface queue wedge or a device 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
0.02516 · 84.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2019-03-28T00:00Z
EPSS history
Timeline
  • 28 MAR 00:00Z
    Cisco IOS Software NAT64 Denial of Service Vulnerability
    cvelistv5