PT-2019-1716 · Cisco · Cisco Ios

Published 2019-03-27 · Updated 2019-10-09 · CVE-2019-1751

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 Software (affected versions not specified)

Description A vulnerability in the Network Address Translation 64 (NAT64) functions could allow an unauthenticated, remote attacker to cause either an interface queue wedge or a device reload. The issue is due to the incorrect handling of certain IPv4 packet streams sent through the device. An attacker could exploit this by sending specific IPv4 packet streams, potentially 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:2019-01336

CVE-2019-1751

Affected Products

Cisco Ios

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-nat64 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01336 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1751 · Security Note
• https://osv.dev/vulnerability/CVE-2019-1751 · Vendor Advisory
• http://securityfocus.com/bid/107601 · Note