Command Injection in Cisco IOS XE - CVE-2020-3211

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Main Vulnerability Database Vulnerabilities #VU28568

Command Injection in Cisco IOS XE - CVE-2020-3211

Published: June 4, 2020


Vulnerability identifier: #VU28568
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3211
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary commands on the system.

The vulnerability exists due to improper input sanitization in the web UI. A remote administrator can supply a specially crafted input parameter on a form in the web UI, then submit that form and execute arbitrary commands on the target system.

This vulnerability affects the following products if they are running affected release of Cisco IOS XE Software: 

  • Cisco Catalyst 9800 Series Wireless Controllers


Affected software

Cisco IOS XE
Stratix 5800

How to mitigate CVE-2020-3211

Install updates from vendor's website.

Cisco IOS XE - addressed in versions Amsterdam 17.1.1, 17.2.1
Stratix 5800 - update to 16.12.01

External References

Related Security Bulletins