{"id":"CVE-2020-11899","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-11899","generatedAt":"2026-10-27T22:33:36.125Z","title":"Treck TCP/IP stack Out-of-Bounds Read Vulnerability","description":"The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.","published":"2020-06-17T11:15:10.000Z","lastModified":"2026-06-17T02:51:00.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"},"cwe":["CWE-125"],"affected":["treck/tcp\\/ip","dell/wyse 5050 all-in-one firmware","dell/wyse 7030 firmware","dell/wyse 5030 firmware"],"epss":{"score":0.1842,"percentile":0.97213,"date":"2026-10-26","history":[]},"kev":{"listed":true,"dateAdded":"2022-03-03","dueDate":"2022-03-17","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-11899"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt","tags":["Broken Link","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://cwe.mitre.org/data/definitions/125.html","tags":["Technical Description"],"source":"cve@mitre.org"},{"url":"https://jsof-tech.com/vulnerability-disclosure-policy/","tags":["Broken Link","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20200625-0006/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.jsof-tech.com/ripple20/","tags":["Broken Link","Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.kb.cert.org/vuls/id/257161","tags":["Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"https://www.kb.cert.org/vuls/id/257161/","tags":["Mitigation","Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"https://www.treck.com","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cwe.mitre.org/data/definitions/125.html","tags":["Technical Description"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jsof-tech.com/vulnerability-disclosure-policy/","tags":["Broken Link","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20200625-0006/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.jsof-tech.com/ripple20/","tags":["Broken Link","Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/257161","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/257161/","tags":["Mitigation","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.treck.com","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11899","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-11899","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."}