{"id":"CVE-2023-20161","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-20161","generatedAt":"2026-10-27T18:39:49.736Z","title":"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…","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.","published":"2023-05-18T03:15:10.000Z","lastModified":"2026-06-17T05:29:41.000Z","status":"Modified","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["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","cisco/business 350-8fp-e-2g firmware","cisco/business 350-8mgp-2x firmware","cisco/business 350-8mp-2x firmware","cisco/business 350-8p-2g firmware","cisco/business 350-8p-e-2g firmware","cisco/business 350-8s-e-2g firmware","cisco/business 350-8t-e-2g firmware","cisco/business 350-8xt firmware","cisco/sf200-24 firmware","cisco/sf200-24fp firmware"],"epss":{"score":0.11114,"percentile":0.95905,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv","tags":["Vendor Advisory"],"source":"psirt@cisco.com"},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg-web-multi-S9g4Nkgv","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-20161","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}