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

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Main Vulnerability Database Vulnerabilities #VU25648

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

Published: February 27, 2020


Vulnerability identifier: #VU25648
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2020-3167
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco FXOS
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)
Cisco UCS Manager

Detailed vulnerability description

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


How to mitigate CVE-2020-3167

Install updates from vendor's website.

Sources