Vulnerability identifier: #VU47495

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8233

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EdgeMAX EdgeSwitch
Hardware solutions / Firmware

Vendor: Ubiquiti Networks

Description

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

The vulnerability exists due to improper input validation. A remote authenticated user can pass specially crafted data via the HTTP interface and execute arbitrary OS commands on the target system with elevated privileges.

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

Mitigation
Install updates from vendor's website.

Vulnerable software versions

EdgeMAX EdgeSwitch: 1.8.0 - 1.9.0

---

External links
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00019.html
http://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695c
http://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821
http://www.ui.com/download/edgemax

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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