{"id":"CVE-2020-11896","aliases":["EUVD-2020-4233","GHSA-hwgx-cxhm-g3q3"],"status":"published","title":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","description":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.36852,"percentile":0.98528,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119","CWE-20","CWE-787"],"published":"2020-06-17T10:21:31Z","modified":"2026-06-17T02:51:00Z","exploits":[{"source":"pocgithub","id":"Fans0n-Fan/Treck20-Related","title":"Fans0n-Fan/Treck20-Related","date":"2020-07-21","url":"https://github.com/Fans0n-Fan/Treck20-Related"},{"source":"pocgithub","id":"0xkol/ripple20-digi-connect-exploit","title":"0xkol/ripple20-digi-connect-exploit","date":"2022-11-30","url":"https://github.com/0xkol/ripple20-digi-connect-exploit"}],"products":[{"vendor":"treck","product":"tcp\\/ip"}],"references":[{"url":"https://www.kb.cert.org/vuls/id/257161/","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://www.treck.com","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://jsof-tech.com/vulnerability-disclosure-policy/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/257161","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"]},{"url":"https://www.jsof-tech.com/ripple20/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Third Party Advisory"]},{"url":"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-006.txt","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20200625-0006/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-631949.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US\u0026docId=hpesbhf04012en_us","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11896"},{"url":"https://github.com/advisories/GHSA-hwgx-cxhm-g3q3"}],"sources":{"cve":[{"id":"CVE-2020-11896","description":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","status":"published","published":"2020-06-17T10:21:31Z","modified":"2024-08-04T11:42:00.799Z","updated_at":"2026-11-02T14:35:57.67317Z"}],"euvd":[{"id":"EUVD-2020-4233","description":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","status":"published","published":"2020-06-17T10:21:31Z","modified":"2024-08-04T11:42:00Z","updated_at":"2026-11-03T03:07:41.956166Z"}],"ghsa":[{"id":"GHSA-hwgx-cxhm-g3q3","title":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","description":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","status":"published","published":"2022-05-24T17:20:43Z","modified":"2023-01-29T05:03:03Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:13.764942Z"}],"nvd":[{"id":"CVE-2020-11896","description":"The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.","status":"published","published":"2020-06-17T11:15:09.99Z","modified":"2026-06-17T02:51:00.057Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-02T14:06:07.249892Z"}]}}