CVE-2020-3216

Cisco IOS XE SD-WAN Software Authentication Bypass Vulnerability

Description

A vulnerability in Cisco IOS XE SD-WAN Software could allow an unauthenticated, physical attacker to bypass authentication and gain unrestricted access to the root shell of an affected device. The vulnerability exists because the affected software has insufficient authentication mechanisms for certain commands. An attacker could exploit this vulnerability by stopping the boot initialization of an affected device. A successful exploit could allow the attacker to bypass authentication and gain unrestricted access to the root shell of the affected device.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XE SD-WAN Software
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2020-3216?
CVE-2020-3216 has been scored as a medium severity vulnerability.
How to fix CVE-2020-3216?
To fix CVE-2020-3216, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3216 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-3216 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3216?
CVE-2020-3216 affects Cisco Cisco IOS XE SD-WAN Software.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.