{"cve":"CVE-2023-20159","nvd":{"published":"2023-05-18T03:15:10.190","modified":"2026-06-17T05:29:40.260","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-120"],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv","https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv"],"products":["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","cisco:business_250-24pp-4g_firmware","cisco:business_250-24t-4g_firmware","cisco:business_250-24t-4x_firmware","cisco:business_250-48p-4g_firmware","cisco:business_250-48p-4x_firmware","cisco:business_250-48pp-4g_firmware","cisco:business_250-48t-4g_firmware","cisco:business_250-48t-4x_firmware","cisco:business_250-8fp-e-2g_firmware","cisco:business_250-8p-e-2g_firmware","cisco:business_250-8pp-d_firmware","cisco:business_250-8pp-e-2g_firmware","cisco:business_250-8t-d_firmware","cisco:business_250-8t-e-2g_firmware","cisco:business_350-12np-4x_firmware","cisco:business_350-12xs_firmware","cisco:business_350-12xt_firmware","cisco:business_350-16fp-2g_firmware","cisco:business_350-16p-2g_firmware","cisco:business_350-16p-e-2g_firmware","cisco:business_350-16t-2g_firmware","cisco:business_350-16t-e-2g_firmware","cisco:business_350-16xts_firmware","cisco:business_350-24fp-4g_firmware","cisco:business_350-24fp-4x_firmware","cisco:business_350-24mgp-4x_firmware","cisco:business_350-24ngp-4x_firmware","cisco:business_350-24p-4g_firmware","cisco:business_350-24p-4x_firmware","cisco:business_350-24s-4g_firmware","cisco:business_350-24t-4g_firmware","cisco:business_350-24t-4x_firmware","cisco:business_350-24xs_firmware","cisco:business_350-24xt_firmware","cisco:business_350-24xts_firmware","cisco:business_350-48fp-4g_firmware","cisco:business_350-48fp-4x_firmware","cisco:business_350-48ngp-4x_firmware","cisco:business_350-48p-4g_firmware","cisco:business_350-48p-4x_firmware","cisco:business_350-48t-4g_firmware","cisco:business_350-48t-4x_firmware","cisco:business_350-48xt-4x_firmware","cisco:business_350-8fp-2g_firmware"],"source":"nvd","synced_at":"2026-10-19T21:38:18.424950729+00:00"},"epss":{"cve":"CVE-2023-20159","score":0.11114,"percentile":0.95935,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}