OS Command Injection in Cisco Firepower Threat Defense Software and Cisco FXOS Software



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-20934
CWE-ID CWE-78
Exploitation vector Local
Public exploit N/A
Vulnerable software
Cisco Firepower Threat Defense (FTD)
Hardware solutions / Security hardware applicances

Firepower 9300 Series Security Appliances
Hardware solutions / Security hardware applicances

Cisco FXOS
Operating systems & Components / Operating system

Firepower 4100 Series Security Appliances
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU69207

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-20934

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation in the CLI. A local administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco Firepower Threat Defense (FTD): r2111 - 7.2.0

Cisco FXOS: r2111 - 7.2.0

Firepower 4100 Series Security Appliances: All versions

Firepower 9300 Series Security Appliances: All versions

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-fxos-cmd-inj-Q9bLNsrK


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###