{"id":"CVE-2021-47894","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-47894","generatedAt":"2026-10-27T21:09:11.965Z","title":"Managed Switch Port Mapping Tool 2.85.2 contains a denial of service vulnerability that allows attackers to crash the application by creating an oversized buffer.","description":"Managed Switch Port Mapping Tool 2.85.2 contains a denial of service vulnerability that allows attackers to crash the application by creating an oversized buffer. Attackers can generate a 10,000-character buffer and paste it into the IP Address and SNMP Community Name fields to trigger the application crash.","published":"2026-01-23T17:15:57.000Z","lastModified":"2026-06-17T04:18:43.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.7,"severity":"MEDIUM","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-770"],"affected":[],"epss":{"score":0.00293,"percentile":0.21706,"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":"low","text":"Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://switchportmapper.com/","source":"disclosure@vulncheck.com"},{"url":"https://switchportmapper.com/download.htm","source":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/49566","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/managed-switch-port-mapping-tool-denial-of-service","source":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/49566","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-47894","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."}