#VU56285 OS Command Injection in ArubaOS - CVE-2021-37720

Vulnerability identifier: #VU56285

Vulnerability risk: Low

CVSSv4.0: 5.9 [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-2021-37720

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ArubaOS
Operating systems & Components / Operating system

Vendor: Aruba Networks

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 command line interface. A local  authenticated user can pass specially crafted data to the application and execute arbitrary OS commands on the target system with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ArubaOS: 6.4.2.1 - 8.7.1.3

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External links
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-016.txt

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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.