CVE-2019-12657

Published Sep 25, 2019

Last updated 5 months ago

Overview

Description
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.
Source
ykramarz@cisco.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

CVSS 3.0

Type
Secondary
Base score
8.6
Impact score
4
Exploitability score
3.9
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
7.8
Impact score
6.9
Exploitability score
10
Vector string
AV:N/AC:L/Au:N/C:N/I:N/A:C

Weaknesses

ykramarz@cisco.com
CWE-20
nvd@nist.gov
CWE-20

Social media

Hype score
Not currently trending

Configurations