OS Command Injection in Cisco Systems, Inc products - CVE-2020-3167

 

OS Command Injection in Cisco Systems, Inc products - CVE-2020-3167

Published: February 27, 2020


Vulnerability identifier: #VU25648
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3167
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to insufficient input validation in the CLI. A local user can include a specially crafted arguments to specific commands and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability affects the following products if they are running a vulnerable release of Cisco FXOS Software or Cisco UCS Manager Software:

  • Firepower 1000 Series
  • Firepower 2100 Series
  • Firepower 4100 Series
  • Firepower 9300 Security Appliances
  • UCS 6200 Series Fabric Interconnects
  • UCS 6300 Series Fabric Interconnects
  • UCS 6400 Series Fabric Interconnects


Affected software

Cisco FXOS
Cisco UCS Manager
Cisco Firewall Threat Defense (FTD)
Cisco Adaptive Security Appliance (ASA)

How to mitigate CVE-2020-3167

Install updates from vendor's website.

Cisco FXOS - addressed in versions 2.2.2.97, 2.3.1.144, 2.4.1.234, 2.6.1.187, 2.7.1.106
Cisco UCS Manager - addressed in versions 3.2.3n, 4.0.4g
Cisco Firewall Threat Defense (FTD) - addressed in versions 6.4.0.8, 6.5.0.2
Cisco Adaptive Security Appliance (ASA) - addressed in versions 9.12.3.6, 9.13.1.5

External References

Related Security Bulletins