CVE-2021-1541 Cisco Small Business 220 Series Smart Switches Vulnerabilities

High 7.2 Published 16 Jun 2021 Updated 7 Nov 2024

Attackers can hijack sessions and execute arbitrary root commands on Cisco Small Business 220 Series Smart Switches via the web interface.

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-2021-1541?

CVE-2021-1541 is a high-severity authentication bypass vulnerability in Cisco Small Business 220 Series Smart Plus Switches, published on 16 Jun 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-287

Which versions are affected by CVE-2021-1541?

It affects 9 products.

Products include Cisco Sf220-24 Firmware, Cisco Sf220-24p Firmware, Cisco Sf220-48 Firmware, Cisco Sf220-48p Firmware, Cisco Sg220-26 Firmware, Cisco Sg220-26p Firmware and 3 more.

How do I fix CVE-2021-1541?

No fix has been published for CVE-2021-1541 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-2021-1541 being exploited?

There is no known exploitation of CVE-2021-1541 in the wild and no public exploit code.

Sources

Also known as GHSA-ff6q-8852-cwpp.