CVE-2021-34757 Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities

Medium 4.9 Published 6 Oct 2021 Updated 7 Nov 2024

Administrators can access sensitive credentials or reconfigure user passwords due to static keys and password vulnerabilities in Cisco Business 220 Series Smart Switches.

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

What is CVE-2021-34757?

CVE-2021-34757 is a medium-severity vulnerability in Cisco Small Business 220 Series Smart Plus Switches, published on 6 Oct 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-798, CWE-540

Which versions are affected by CVE-2021-34757?

It affects 16 products.

Products include Cisco Business 220-16p-2g Firmware, Cisco Business 220-16t-2g Firmware, Cisco Business 220-24fp-4g Firmware, Cisco Business 220-24fp-4x Firmware, Cisco Business 220-24p-4g Firmware, Cisco Business 220-24p-4x Firmware and 10 more.

How do I fix CVE-2021-34757?

No fix has been published for CVE-2021-34757 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-34757 being exploited?

There is no known exploitation of CVE-2021-34757 in the wild and no public exploit code.

Sources

Also known as GHSA-8q5v-c5jp-qp9p.