CVE-2020-8234

A vulnerability exists in The EdgeMax EdgeSwitch firmware <v1.9.1 where the EdgeSwitch legacy web...

9.8 Critical

A vulnerability exists in The EdgeMax EdgeSwitch firmware <v1.9.1 where the EdgeSwitch legacy web interface SIDSSL cookie for admin can be guessed, enabling the attacker to obtain high privileges and get a root shell by a Command injection.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.41%Up 2.5 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2020-8234
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-613
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-8234
Weakness: CWE-613
Updated: 2026-11-02

EUVDEUVD-2020-29106 No score

Record: EUVD-2020-29106
Updated: 2026-11-03

GitHub AdvisoriesGHSA-5287-qwv6-2wwq No score

A vulnerability exists in The EdgeMax EdgeSwitch firmware <v1.9.1 where the EdgeSwitch legacy web...

Record: GHSA-5287-qwv6-2wwq
Updated: 2026-11-02

Affected products

ui edgemax firmware

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-8234 is a critical vulnerability (CVSS 9.8) in Ui Edgemax Firmware, published August 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.41%, the 88th percentile. No source names a fixed version.