CVE-2023-20024 Cisco Small Business Series Switches Buffer Overflow Vulnerabilities

High 8.6 Published 18 May 2023 Updated 28 Oct 2024

Unauthenticated remote attackers can cause denial of service or execute arbitrary code with root privileges on Cisco Small Business Series Switches.

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-2023-20024?

CVE-2023-20024 is a high-severity memory corruption vulnerability in Cisco Small Business Smart and Managed Switches, published on 18 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple vulnerabilities in the web-based user interface of certain Cisco Small Business Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or execute arbitrary code with root privileges on an affected device. These vulnerabilities are due to improper validation of requests that are sent to the web interface. For more information about these vulnerabilities, see the Details section of this advisory.

Weakness: CWE-120

Which versions are affected by CVE-2023-20024?

It affects 229 products.

Products include Cisco Business 250-16p-2g Firmware, Cisco Business 250-16t-2g Firmware, Cisco Business 250-24fp-4g Firmware, Cisco Business 250-24fp-4x Firmware, Cisco Business 250-24p-4g Firmware, Cisco Business 250-24p-4x Firmware and 223 more.

How do I fix CVE-2023-20024?

No fix has been published for CVE-2023-20024 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-20024 being exploited?

There is no known exploitation of CVE-2023-20024 in the wild and no public exploit code.

Sources

Also known as GHSA-27j4-63cp-jxg6.