{"schemaVersion":3,"id":"CVE-2018-1727","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM InfoSphere Information Server 9.1, 11.3, 11.5, and 11.7 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 147630.","dates":{"published":"2019-02-15T20:00:00.000Z","modified":"2024-09-16T16:58:14.389Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.1,"severity":"critical","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":7.1,"severity":"high","vector":"CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":9.1,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.4,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02463,"percentile":0.84229,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02463},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02337,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02463,"percentile":0.84229}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02337,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02463,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02463,"percentile":0.84229}]},"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-611","name":"Improper Restriction of XML External Entity Reference","description":"The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/611.html"}],"affected":[{"vendor":"ibm","product":"infosphere_information_server","name":"infosphere information server","label":"infosphere_information_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"9.1","noFixRecorded":false,"fixedIn":null},{"text":"11.3","noFixRecorded":false,"fixedIn":null},{"text":"11.5","noFixRecorded":false,"fixedIn":null},{"text":"11.7","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.1 | 11.3 | 11.5 | 11.7","eol":null,"hubHref":"/vendor/ibm/infosphere_information_server"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.ibm.com/support/docview.wss?uid=ibm10718887","label":"www.ibm.com/support/docview.wss?uid=ibm10718887","hostname":"www.ibm.com","tags":["X Refsource CONFIRM","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/147630","label":"exchange.xforce.ibmcloud.com/vulnerabilities/147630","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2019-02-15T20:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T16:58:14.389Z","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":"2026-10-20T01:26:35.639Z","stale":false,"partial":false}}