CVE-2023-20159: cisco business_250-16p-2g_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2023-20159 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in cisco business_250-16p-2g_firmware. EPSS estimates a 10.28% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.

Timeline

1. 18-05-2023
   PublishedVulnerability first disclosed.
2. 28-10-2024
   Last modifiedVulnerability information updated.

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.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.