{"schemaVersion":3,"id":"CVE-2018-1002104","aliases":["GHSA-p3x5-5xpx-9phm"],"status":"published","duplicateOf":null,"title":null,"description":"Versions < 1.5 of the Kubernetes ingress default backend, which handles invalid ingress traffic, exposed prometheus metrics publicly.","dates":{"published":"2020-01-14T20:15:17.491Z","modified":"2024-09-16T21:07:22.919Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"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:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":10,"impact":2.3,"computed":true}]},"epss":{"probability":0.01138,"percentile":0.6611,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01138},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01138,"percentile":0.6611}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01138,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01138,"percentile":0.6611}]},"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-215","name":"Insertion of Sensitive Information Into Debugging Code","description":"The product inserts sensitive information into debugging code, which could expose this information if the debugging code is not disabled in production.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/215.html"},{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"k8s.io","product":"ingress-nginx","name":"k8s.io/ingress-nginx","label":"ingress-nginx","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/k8s.io/ingress-nginx","purlType":"golang","versions":[{"text":"< 1.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.5","eol":null,"hubHref":null},{"vendor":"kubernetes","product":"k8s.gcr.io/defaultbackend","name":"k8s.gcr.io/defaultbackend","label":"k8s.gcr.io/defaultbackend","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ defaultbackend, < 1.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ defaultbackend, < 1.5","eol":null,"hubHref":"/vendor/kubernetes/k8sgcriodefaultbackend"},{"vendor":"kubernetes","product":"nginx_ingress_controller","name":"nginx ingress controller","label":"nginx_ingress_controller","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.5.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.5.0","eol":null,"hubHref":"/vendor/kubernetes/nginx_ingress_controller"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/kubernetes/ingress-nginx/pull/3125","label":"github.com/kubernetes/ingress-nginx/pull/3125","hostname":"github.com","tags":["X Refsource CONFIRM","Patch","Third Party Advisory","WEB"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1002104","label":"nvd.nist.gov/vuln/detail/CVE-2018-1002104","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/kubernetes/ingress-nginx/issues/1733","label":"github.com/kubernetes/ingress-nginx/issues/1733","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/kubernetes/ingress-nginx/commit/d487a50e399100ad8db12ed1d2f92271f311f676","label":"github.com/kubernetes/ingress-nginx/commit/d487a50e399100ad8db12ed1d2f92271f311f676","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/kubernetes/ingress-nginx","label":"github.com/kubernetes/ingress-nginx","hostname":"github.com","tags":["PACKAGE"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-2WG5-VJH8-R5GM","CGA-3V3W-6MCF-2CQ6","CGA-5J3J-Q4X2-M97P","CGA-CJGP-VHQF-27HM","CGA-WFHH-QC8P-5G56"]},"timeline":[{"kind":"published","date":"2020-01-14T20:15:17.491Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T21:07:22.919Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T17:39:42.783Z","stale":false,"partial":false}}