{"schemaVersion":3,"id":"CVE-2015-3164","aliases":["MGASA-2015-0316","UBUNTU-CVE-2015-3164","DEBIAN-CVE-2015-3164"],"status":"published","duplicateOf":null,"title":null,"description":"The authentication setup in XWayland 1.16.x and 1.17.x before 1.17.2 starts the server in non-authenticating mode, which allows local users to read from or send information to arbitrary X11 clients via vectors involving a UNIX socket.","dates":{"published":"2015-07-01T14:00:00.000Z","modified":"2024-08-06T05:39:31.640Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.6,"severity":"low","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":3.6,"severity":"low","vector":"AV:L/AC:L/Au:N/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00393,"percentile":0.31922,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00393},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00393,"percentile":0.31922}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00393,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00393,"percentile":0.31922}]},"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-264","name":"Permissions, Privileges, and Access Controls","description":"Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.","type":"category","status":"Obsolete","abstraction":null,"likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/264.html"}],"affected":[{"vendor":"debian","product":"xorg-server","name":"xorg-server","label":"xorg-server","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/xorg-server","purlType":"deb","versions":[{"text":"< 2:1.17.2-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:1.17.2-1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"xorg-server","name":"xorg-server","label":"xorg-server","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/xorg-server","purlType":"deb","versions":[{"text":"< 2:1.18.4-0ubuntu0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:1.18.4-0ubuntu0.2","eol":null,"hubHref":null},{"vendor":"mageia","product":"x11-server","name":"x11-server","label":"x11-server","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/x11-server","purlType":"rpm","versions":[{"text":"< 1.16.4-2.1.mga5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.16.4-2.1.mga5","eol":null,"hubHref":null},{"vendor":"opensuse","product":"opensuse","name":"opensuse","label":"opensuse","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"13.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"13.2","eol":{"isEol":true,"eolDate":"2017-01-17T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"13.2","label":"13.2","eolFrom":"2017-01-17T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"opensuse","label":"openSUSE","category":"os"}},"hubHref":"/vendor/opensuse/opensuse"},{"vendor":"x.org","product":"x_server","name":"x server","label":"x_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.16.0","noFixRecorded":false,"fixedIn":null},{"text":"1.16.1","noFixRecorded":false,"fixedIn":null},{"text":"1.16.1.901","noFixRecorded":false,"fixedIn":null},{"text":"1.16.2","noFixRecorded":false,"fixedIn":null},{"text":"1.16.2.901","noFixRecorded":false,"fixedIn":null},{"text":"1.16.3","noFixRecorded":false,"fixedIn":null},{"text":"1.17.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.16.0 | 1.16.1 | 1.16.1.901 | 1.16.2 | 1.16.2.901 | 1.16.3 | 1.17.0","eol":null,"hubHref":"/vendor/xorg/x_server"},{"vendor":"x.org","product":"xorg-server","name":"xorg-server","label":"xorg-server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.16.4","noFixRecorded":false,"fixedIn":null},{"text":"1.16.99.901","noFixRecorded":false,"fixedIn":null},{"text":"1.16.99.902","noFixRecorded":false,"fixedIn":null},{"text":"1.17.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.16.4 | 1.16.99.901 | 1.16.99.902 | 1.17.1","eol":null,"hubHref":"/vendor/xorg/xorg-server"}],"affectedCount":6,"eol":{"hasEol":true,"count":1},"references":[{"url":"http://lists.freedesktop.org/archives/wayland-devel/2015-June/022548.html","label":"lists.freedesktop.org/archives/wayland-devel/2015-June/022548.html","hostname":"lists.freedesktop.org","tags":["Mailing List","X Refsource MLIST","Vendor Advisory","REPORT"]},{"url":"http://www.securityfocus.com/bid/75535","label":"www.securityfocus.com/bid/75535","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"https://security.gentoo.org/glsa/201701-64","label":"security.gentoo.org/glsa/201701-64","hostname":"security.gentoo.org","tags":["Vendor Advisory","X Refsource GENTOO"]},{"url":"http://lists.opensuse.org/opensuse-updates/2015-06/msg00044.html","label":"lists.opensuse.org/opensuse-updates/2015-06/msg00044.html","hostname":"lists.opensuse.org","tags":["Vendor Advisory","X Refsource SUSE","WEB"]},{"url":"https://advisories.mageia.org/MGASA-2015-0316.html","label":"advisories.mageia.org/MGASA-2015-0316.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=16182","label":"bugs.mageia.org/show_bug.cgi?id=16182","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"http://lists.x.org/archives/xorg-announce/2015-June/002611.html","label":"lists.x.org/archives/xorg-announce/2015-June/002611.html","hostname":"lists.x.org","tags":["WEB"]},{"url":"https://ubuntu.com/security/CVE-2015-3164","label":"ubuntu.com/security/CVE-2015-3164","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2015-3164","label":"www.cve.org/CVERecord?id=CVE-2015-3164","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2015-3164","label":"security-tracker.debian.org/tracker/CVE-2015-3164","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":["CVE-2015-3168"],"related":[]},"timeline":[{"kind":"published","date":"2015-07-01T14:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T05:39:31.640Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":14,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T03:49:43.699Z","stale":false,"partial":false}}