Vulnerability identifier: #VU47497

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8234

CWE-ID: CWE-613

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EdgeMAX EdgeSwitch
Hardware solutions / Firmware

Vendor: Ubiquiti Networks

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can guess legacy web interface SIDSSL cookie for administrative account and take over the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

EdgeMAX EdgeSwitch: 1.8.0 - 1.9.0

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External links
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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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