CVE-2020-22657 Auth bypass in n/a

Critical 9.1 Published 20 Jan 2023 Updated 3 Apr 2025

Attackers can bypass web GUI login authentication on Ruckus wireless access points and controllers, gaining unauthorized administrative access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-22657?

CVE-2020-22657 is a critical authentication bypass vulnerability in n/a, published on 20 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Ruckus R310 10.5.1.0.199, Ruckus R500 10.5.1.0.199, Ruckus R600 10.5.1.0.199, Ruckus T300 10.5.1.0.199, Ruckus T301n 10.5.1.0.199, Ruckus T301s 10.5.1.0.199, SmartCell Gateway 200 (SCG200) before 3.6.2.0.795, SmartZone 100 (SZ-100) before 3.6.2.0.795, SmartZone 300 (SZ300) before 3.6.2.0.795, Virtual SmartZone (vSZ) before 3.6.2.0.795, ZoneDirector 1100 9.10.2.0.130, ZoneDirector 1200 10.2.1.0.218, ZoneDirector 3000 10.2.1.0.218, ZoneDirector 5000 10.0.1.0.151, a vulnerability allows attackers to perform WEB GUI login authentication bypass.

Weakness: CWE-287

Which versions are affected by CVE-2020-22657?

It affects 14 products.

Products include Ruckuswireless R310 Firmware, Ruckuswireless R500 Firmware, Ruckuswireless R600 Firmware, Ruckuswireless Scg200 Firmware, Ruckuswireless Sz-100 Firmware, Ruckuswireless Sz-300 Firmware and 8 more.

How do I fix CVE-2020-22657?

No fix has been published for CVE-2020-22657 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-22657 being exploited?

There is no known exploitation of CVE-2020-22657 in the wild and no public exploit code.

Sources

Also known as GHSA-g43h-746q-4j8p.