CVE-2019-1951

MediumCVSS 5.8/10Last modified Jun 17, 2026

Description

A vulnerability in the packet filtering features of Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass L3 and L4 traffic filters. The vulnerability is due to improper traffic filtering conditions on an affected device. An attacker could exploit this vulnerability by crafting a malicious TCP packet with specific characteristics and sending it to a target device. A successful exploit could allow the attacker to bypass the L3 and L4 traffic filters and inject an arbitrary packet in the network.

Metrics

CVSS 3.1 5.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: Aug 8, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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