{"schemaVersion":3,"id":"CVE-2020-28926","aliases":["UBUNTU-CVE-2020-28926","DEBIAN-CVE-2020-28926"],"status":"published","duplicateOf":null,"title":null,"description":"ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.","dates":{"published":"2020-11-30T17:09:40.000Z","modified":"2024-08-04T16:40:59.981Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","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","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","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","exploitability":10,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","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","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.13216,"percentile":0.96344,"severity":"medium","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.34500000000000086,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.12871},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.13216,"percentile":0.96344}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.12871,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.13216,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.13216,"percentile":0.96344}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_AF08FF90E398C071","name":"Exploit Reference (rootshellsecurity.net)","source":"reference","url":"https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-120","name":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","description":"The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/120.html"}],"affected":[{"vendor":"debian","product":"minidlna","name":"minidlna","label":"minidlna","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/minidlna","purlType":"deb","versions":[{"text":"< 1.2.1+dfsg-3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.2.1+dfsg-3","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"minidlna","name":"minidlna","label":"minidlna","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/minidlna","purlType":"deb","versions":[{"text":"< 1.1.5+dfsg-2ubuntu0.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.2.1+dfsg-1ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.2.1+dfsg-1ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.1.5+dfsg-2ubuntu0.1 | < 1.2.1+dfsg-1ubuntu0.18.04.1 | < 1.2.1+dfsg-1ubuntu0.20.04.1","eol":null,"hubHref":null},{"vendor":"debian","product":"debian_linux","name":"debian linux","label":"debian_linux","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"9.0","noFixRecorded":false,"fixedIn":null},{"text":"10.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.0 | 10.0","eol":{"isEol":true,"eolDate":"2022-07-01T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"9","label":"9 (Stretch)","eolFrom":"2022-07-01T00:00:00.000Z","isLts":false,"isMaintained":true,"latestVersion":"9.13"},"product":{"name":"debian","label":"Debian","category":"os"}},"hubHref":"/vendor/debian/debian_linux"},{"vendor":"readymedia_project","product":"readymedia","name":"readymedia","label":"readymedia","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.3.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.0","eol":null,"hubHref":"/vendor/readymedia_project/readymedia"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://sourceforge.net/projects/minidlna/","label":"sourceforge.net/projects/minidlna/","hostname":"sourceforge.net","tags":["X Refsource MISC","REPORT","Third Party Advisory"]},{"url":"https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/","label":"www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/","hostname":"www.rootshellsecurity.net","tags":["X Refsource MISC","REPORT","Exploit","Third Party Advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4806","label":"www.debian.org/security/2020/dsa-4806","hostname":"www.debian.org","tags":["Vendor Advisory","X Refsource DEBIAN","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00017.html","label":"lists.debian.org/debian-lts-announce/2020/12/msg00017.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-28926","label":"ubuntu.com/security/CVE-2020-28926","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://sourceforge.net/p/minidlna/git/ci/9fba41008adebc1da0f4f6c6e27ae422ace3fe4a","label":"sourceforge.net/p/minidlna/git/ci/9fba41008adebc1da0f4f6c6e27ae422ace3fe4a","hostname":"sourceforge.net","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-4722-1","label":"ubuntu.com/security/notices/USN-4722-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-28926","label":"www.cve.org/CVERecord?id=CVE-2020-28926","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-28926","label":"security-tracker.debian.org/tracker/CVE-2020-28926","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-2489-1","DSA-4806-1","MGASA-2020-0483","OPENSUSE-SU-2020:2160-1","OPENSUSE-SU-2020:2194-1","OPENSUSE-SU-2020:2204-1","OPENSUSE-SU-2020:2226-1","OPENSUSE-SU-2024:11050-1","USN-4722-1"],"duplicates":[],"related":["OPENSUSE-SU-2020:2160-1","OPENSUSE-SU-2020:2194-1","OPENSUSE-SU-2020:2204-1","OPENSUSE-SU-2020:2226-1","OPENSUSE-SU-2024:11050-1","USN-4722-1"]},"timeline":[{"kind":"published","date":"2020-11-30T17:09:40.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T16:40:59.981Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T13:10:25.003Z","stale":false,"partial":false}}