#VU64597 OS Command Injection in Firepower NGFW


Published: 2022-09-02 | Updated: 2022-09-05

Vulnerability identifier: #VU64597

Vulnerability risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2022-20828

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Firepower NGFW
Other software / Other software solutions

Vendor:

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation in the CLI parser of Cisco FirePOWER Software for Adaptive Security Appliance (ASA) FirePOWER module. A local user can pass specially crafted parameters to the affected CLI command and execute arbitrary commands on the system with root privileges.


Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asasfr-cmd-inject-PE4GfdG
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCwb32418


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. However, a fully functional exploit for this vulnerability is available.


Latest bulletins with this vulnerability