Main Vulnerability Database Vulnerabilities #VU53426

Improper Certificate Validation in Ubiquiti Networks products - CVE-2021-22909

Published: May 24, 2021

Vulnerability identifier: #VU53426

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22909

CWE-ID: CWE-295

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a man-in-the-middle (MitM) attack.

The vulnerability exists due to improper certificate verification within the downloading of firmware files via HTTPS. A remote attacker can perform a MitM attack on the target system.

Affected software

EdgeOS
EdgeRouter X
EdgeRouter Pro X SFP
EdgeRouter 10X
EdgePoint 6-port

How to mitigate CVE-2021-22909

Install updates from vendor's website.

EdgeOS - update to 2.0.9-hotfix.1

External References

Related Security Bulletins