Improper input validation in Cisco Sd-Wan Solution
CVE-2019-1951
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.
Affected products
- Cisco Sd-wan Solution — versions unspecified
- Cisco Sd-wan_firmware
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1951?
- CVE-2019-1951 is a medium-severity vulnerability in Cisco Sd-Wan Solution, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2019-08-08.
- How severe is CVE-2019-1951?
- Medium severity. CVSS v3 base score is 5.8 out of 10.