{"id":"CVE-2020-10136","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-10136","generatedAt":"2026-10-27T22:23:52.066Z","title":"IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network…","description":"IP-in-IP protocol specifies IP Encapsulation within IP standard (RFC 2003, STD 1) that decapsulate and route IP-in-IP traffic is vulnerable to spoofing, access-control bypass and other unexpected behavior due to the lack of validation to verify network packets before decapsulation and routing.","published":"2020-06-02T09:15:10.000Z","lastModified":"2026-06-17T02:47:25.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-290"],"affected":["cisco/nx-os","cisco/ucs manager","digi/saros","hp/x3220nr firmware","treck/tcp\\/ip","cisco/unified computing system"],"epss":{"score":0.28537,"percentile":0.98118,"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 28.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://datatracker.ietf.org/doc/html/rfc6169","source":"cret@cert.org"},{"url":"https://kb.cert.org/vuls/id/636397/","tags":["Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4","tags":["Vendor Advisory"],"source":"cret@cert.org"},{"url":"https://www.digi.com/resources/security","tags":["Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://www.kb.cert.org/vuls/id/636397","tags":["Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"https://datatracker.ietf.org/doc/html/rfc6169","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://kb.cert.org/vuls/id/636397/","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ipip-dos-kCT9X4","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.digi.com/resources/security","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/199397","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/636397","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-10136","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."}