Command Injection in Cisco IOS XE - CVE-2020-3212

 

Command Injection in Cisco IOS XE - CVE-2020-3212

Published: June 5, 2020


Vulnerability identifier: #VU28759
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-2020-3212
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 uplnout a specially crafted file 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 3850 Series Switches
  • Cisco Catalyst 3650 Series Switches
  • Cisco Catalyst 9300 Series Switches
  • Cisco Catalyst 9500 Series Switches
  • Cisco Catalyst 9200 Series Switches


Affected software

Cisco IOS XE

How to mitigate CVE-2020-3212

Install updates from vendor's website.

Cisco IOS XE - addressed in versions Gibraltar 16.12.1a, Gibraltar 16.12.1b, Gibraltar 16.12.1c, Gibraltar 16.12.1d, Gibraltar 16.12.1e, Gibraltar 16.12.1s, 17.1.1

External References

Related Security Bulletins