PT-2019-3326 · Cisco · Cisco Ios Xe

Published 2019-09-25 · Updated 2021-10-18 · CVE-2019-12657

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software (affected versions not specified)

Description A vulnerability in the Unified Threat Defense (UTD) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload due to improper validation of IPv6 packets. An attacker could exploit this vulnerability by sending specially crafted IPv6 traffic through an affected device configured with UTD, resulting in a denial of service (DoS) condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2019-03433

CVE-2019-12657

Affected Products

Cisco Ios Xe

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-utd · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-12657 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-03433 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-12657 · Security Note