CVE-2019-1648: Cisco SD-WAN Solution Privilege Escalation Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-01-24 · updated 2026-06-17
Weakness: CWE-264

Description

A vulnerability in the user group configuration of the Cisco SD-WAN Solution could allow an authenticated, local attacker to gain elevated privileges on an affected device. The vulnerability is due to a failure to properly validate certain parameters included within the group configuration. An attacker could exploit this vulnerability by writing a crafted file to the directory where the user group configuration is located in the underlying operating system. A successful exploit could allow the attacker to gain root-level privileges and take full control of the device.

Affected products

Cisco Sd-Wan: before 18.4.0 — fixed in 18.4.0
Cisco Vbond Orchestrator: all versions
Cisco Vedge 1000 Firmware: all versions
Cisco Vedge 100 Firmware: all versions
Cisco Vedge 2000 Firmware: all versions
Cisco Vedge 5000 Firmware: all versions
Cisco Vmanage Network Management: all versions
Cisco Vsmart Controller: all versions

How to fix

Upgrade to a fixed version: Cisco Sd-Wan 18.4.0. Check the vendor advisory for mitigations.

References

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