{"id":"CVE-2020-13901","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-13901","generatedAt":"2026-10-27T22:33:04.893Z","title":"An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_merge in sdp.c has a stack-based buffer overflow.","description":"An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_merge in sdp.c has a stack-based buffer overflow.","published":"2020-06-10T22:15:11.000Z","lastModified":"2026-06-17T02:53:52.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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-787"],"affected":["meetecho/janus"],"epss":{"score":0.02646,"percentile":0.85499,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L1248","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/meetecho/janus-gateway/pull/2214","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/meetecho/janus-gateway/blob/v0.10.0/sdp.c#L1248","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/meetecho/janus-gateway/pull/2214","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/merrychap/poc_exploits/tree/master/janus-webrtc/CVE-2020-13901","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-13901","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."}