CVE-2020-3595: Cisco SD-WAN Software Privilege Escalation Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-06 · updated 2026-06-17
Weakness: CWE-269

Description

A vulnerability in Cisco SD-WAN Software could allow an authenticated, local attacker to elevate privileges to root group on the underlying operating system. The vulnerability is due to incorrect permissions being set when the affected command is executed. An attacker could exploit this vulnerability by executing the affected command on an affected system. A successful exploit could allow the attacker to gain root privileges.

Affected products

Cisco Sd-Wan: before 20.1.2; from 20.3 before 20.3.2 — fixed in 20.1.2, 20.3.2

How to fix

Upgrade to a fixed version: Cisco Sd-Wan 20.1.2, 20.3.2. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2020-3595 or the next vulnerability affects your stack