CVE-2020-3266: Cisco SD-WAN Solution Command Injection Vulnerability

Published Mar 19, 2020
·
Updated

A vulnerability in the CLI of Cisco SD-WAN Solution software could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI utility. The attacker must be authenticated to access the CLI utility. A successful exploit could allow the attacker to execute commands with root privileges.

Affected Software

24 affected components
Cisco Sd-wan Firmware<19.2.2
Cisco 1100-4g Integrated Services Router
Cisco 1100-4gltegb Integrated Services Router
Cisco 1100-4gltena Integrated Services Router
Cisco 1100-6g Integrated Services Router
Cisco Vedge 100
Cisco Vedge 1000
Cisco Vedge 100b
Cisco Vedge 100m
Cisco Vedge 100wm
Cisco Vedge 2000
Cisco Vedge 5000
All of the following
Cisco Sd-wan Firmware<19.2.2
Any of the following
Cisco 1100-4g Integrated Services Router
Cisco 1100-4gltegb Integrated Services Router
Cisco 1100-4gltena Integrated Services Router
Cisco 1100-6g Integrated Services Router
Cisco Vedge 100
Cisco Vedge 1000
Cisco Vedge 100b
Cisco Vedge 100m
Cisco Vedge 100wm
Cisco Vedge 2000
Cisco Vedge 5000

Event History

Mar 19, 2020
CVE Published
via MITRE·03:35 PM
Data Sourced
via MITRE·03:35 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:15 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-3266?

CVE-2020-3266 is a vulnerability in the CLI of Cisco SD-WAN Solution software that allows an authenticated local attacker to execute arbitrary commands with root privileges.

2

How does CVE-2020-3266 affect Cisco SD-WAN Solution software?

CVE-2020-3266 affects Cisco SD-WAN Solution software versions up to and including 19.2.2.

3

What is the severity of CVE-2020-3266?

CVE-2020-3266 has a severity rating of 7.8 (high).

4

How can an attacker exploit CVE-2020-3266?

An attacker can exploit CVE-2020-3266 by authenticating to the affected device's CLI and injecting arbitrary commands.

5

Is there a fix available for CVE-2020-3266?

Yes, Cisco has released a security advisory with information on how to mitigate CVE-2020-3266. Please refer to the advisory for more details.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203