VULNERABILITY INTELLIGENCE

CVE-2019-1951

CVSS score5.8 MEDIUM
EPSS probability1.46%
CISA KEVNot currently listed
Published2019-08-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

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.

Weakness classification

  • psirt@cisco.com: CWE-20
  • nvd@nist.gov: NVD-CWE-Other

Primary references