CVE detail

CVE-2019-1951 — CVE-2019-1951

Published 2019-08-08 · Modified 2026-06-17 · Vendor cisco · Product sd-wan_firmware · Source nvd
MEDIUM
severity
CVSS-derived band
5.8
CVSS v3
0–10 scale
0.0146
EPSS probability
exploitation probability, 30d
71.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog

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.

Remediation

ProductVulnerable rangeFixed versionAdvisory
Cisco Cisco SD-WAN Solution>=unspecified<19.1.019.1.0advisory ↗

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.