PT-2020-20045 · Ubiquiti · Edgemax Edgeswitch

Published 2020-08-21 · Updated 2025-06-10 · CVE-2020-8234

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions EdgeMax EdgeSwitch firmware versions prior to 1.9.1

Description A vulnerability exists 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.

Recommendations For versions prior to 1.9.1, update to version 1.9.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the legacy web interface to minimize the risk of exploitation.

Fix

Insufficient Session Expiration

Weakness Enumeration

CWE-613

Related Identifiers

CVE-2020-8234

Affected Products

Edgemax Edgeswitch

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2020-8234 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8234 · Vendor Advisory
• https://twitter.com/attritionorg/status/1932458730156703835 · Twitter Post
• https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695c%2C · Note
• https://ui.com/download/edgemax · Note
• https://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821%2C · Note