{"schemaVersion":3,"id":"CVE-2018-1421","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 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: 139023.","dates":{"published":"2018-04-04T18:00:00.000Z","modified":"2024-09-16T22:25:52.548Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.1,"severity":"high","version":"3.0","versionLabel":"v3.0","source":"CVE.org","vector":"CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N","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","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.1,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5.5,"severity":"medium","vector":"AV:N/AC:L/Au:S/C:P/I:N/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01367,"percentile":0.71471,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01367},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01367,"percentile":0.71471}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01367,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01367,"percentile":0.71471}]},"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":"datapower_gateway","name":"datapower gateway","label":"datapower_gateway","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.1.0.0, ≤ 7.1.0.21","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.2.0.0, ≤ 7.2.0.18","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.5.0.0, ≤ 7.5.0.13","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.5.1.0, ≤ 7.5.1.12","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.5.2.0, ≤ 7.5.2.12","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.6.0.0, ≤ 7.6.0.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.1.0.0, ≤ 7.1.0.21 | ≥ 7.2.0.0, ≤ 7.2.0.18 | ≥ 7.5.0.0, ≤ 7.5.0.13 | ≥ 7.5.1.0, ≤ 7.5.1.12 | ≥ 7.5.2.0, ≤ 7.5.2.12 | ≥ 7.6.0.0, ≤ 7.6.0.5","eol":null,"hubHref":"/vendor/ibm/datapower_gateway"},{"vendor":"ibm","product":"datapower gateways","name":"DataPower Gateways","label":"datapower gateways","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.1","noFixRecorded":false,"fixedIn":null},{"text":"7.2","noFixRecorded":false,"fixedIn":null},{"text":"7.5","noFixRecorded":false,"fixedIn":null},{"text":"7.5.1","noFixRecorded":false,"fixedIn":null},{"text":"7.5.2","noFixRecorded":false,"fixedIn":null},{"text":"7.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.1 | 7.2 | 7.5 | 7.5.1 | 7.5.2 | 7.6","eol":null,"hubHref":"/vendor/ibm/datapower_gateways"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/139023","label":"exchange.xforce.ibmcloud.com/vulnerabilities/139023","hostname":"exchange.xforce.ibmcloud.com","tags":["X Refsource MISC","VDB Entry","Vendor Advisory"]},{"url":"http://www.ibm.com/support/docview.wss?uid=swg22015055","label":"www.ibm.com/support/docview.wss?uid=swg22015055","hostname":"www.ibm.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-04-04T18:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T22:25:52.548Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":29,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T09:44:11.062Z","stale":false,"partial":false}}