{"schemaVersion":3,"id":"CVE-2020-8020","aliases":["UBUNTU-CVE-2020-8020","DEBIAN-CVE-2020-8020"],"status":"published","duplicateOf":null,"title":null,"description":"A Improper Neutralization of Input During Web Page Generation vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.","dates":{"published":"2020-05-13T14:50:13.224Z","modified":"2024-09-16T17:42:38.552Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.5,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.5,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":7.2,"impact":4.5,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":7.2,"impact":4.5,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.1,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00916,"percentile":0.59575,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.02199999999999997,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00894},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00916,"percentile":0.59575}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00894,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00916,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00916,"percentile":0.59575}]},"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":[],"exploitCount":0,"weaknesses":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","description":"The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/79.html"}],"affected":[{"vendor":"debian","product":"open-build-service","name":"open-build-service","label":"open-build-service","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/open-build-service","purlType":"deb","versions":[{"text":"< 2.9.4-4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.9.4-4","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"open-build-service","name":"open-build-service","label":"open-build-service","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/open-build-service","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","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}],"versionsText":"9.0","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":"opensuse","product":"open_build_service","name":"open build service","label":"open_build_service","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 2020-05-13","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2020-05-13","eol":null,"hubHref":"/vendor/opensuse/open_build_service"},{"vendor":"opensuse","product":"open-build-service","name":"open-build-service","label":"open-build-service","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ open-build-service, < 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ open-build-service, < 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb","eol":null,"hubHref":"/vendor/opensuse/open-build-service"}],"affectedCount":5,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=1171439","label":"bugzilla.suse.com/show_bug.cgi?id=1171439","hostname":"bugzilla.suse.com","tags":["X Refsource CONFIRM","REPORT","Issue Tracking","Vendor Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00006.html","label":"lists.debian.org/debian-lts-announce/2021/02/msg00006.html","hostname":"lists.debian.org","tags":["Mailing List","X Refsource MLIST","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-8020","label":"ubuntu.com/security/CVE-2020-8020","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-8020","label":"www.cve.org/CVERecord?id=CVE-2020-8020","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-8020","label":"security-tracker.debian.org/tracker/CVE-2020-8020","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["DLA-2545-1"],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-05-13T14:50:13.224Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T17:42:38.552Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":26,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:14:46.134Z","stale":false,"partial":false}}