What’s Vulnerable › Vulnerabilities

CVE-2020-3593: 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 on the underlying operating system. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted request to a utility that is running 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 20.3.1 — fixed in 20.1.2, 20.3.1

How to fix

Upgrade to a fixed version: Cisco Sd-Wan 20.1.2, 20.3.1. Check the vendor advisory for mitigations.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vepescm-BjgQm4vJ
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vepescm-BjgQm4vJ

Get alerted when CVE-2020-3593 or the next vulnerability affects your stack