Vulnerability identifier: #VU49051

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27730

CWE-ID: CWE-426

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
NGINX Controller
Server applications / Web servers

Vendor: F5 Networks

Description

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

The vulnerability exists due to  NGINX Controller Agent does not use absolute paths when calling system utilities. A local user can place a specially crafted file in the agent working directory and execute arbitrary code on the system with root privileges.

Mitigation
Install update from vendor's website.

Vulnerable software versions

NGINX Controller: 1.0.1 - 3.9.0

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External links
http://support.f5.com/csp/article/K43530108

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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.