{"schemaVersion":3,"id":"USN-5231-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"389-ds-base vulnerabilities\n\nIt was discovered that 389 Directory Server presented to users, during\nauthentication, an error message which could be used to discover if a\ncertain LDAP DN existed or not. A remote unauthenticated attacker could\npossibly use this to check the existence of an entry in a LDAP database\nand expose sensitive information. This issue affected only Ubuntu 20.04\nESM. (CVE-2020-35518)\n\nIt was discovered that 389 Directory Server was incorrectly validating\ndata used to access memory addresses. An authenticated attacker using a\nSyncrepl client could use this issue with a specially crafted query to\ncause 389 Directory Server to crash, resulting in a denial of service.\n(CVE-2021-3514)","dates":{"published":"2022-07-18T10:09:50.000Z","modified":"2026-06-25T13:30:56.127Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"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":[],"affected":[{"vendor":"ubuntu","product":"389-ds-base","name":"389-ds-base","label":"389-ds-base","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/389-ds-base","purlType":"deb","versions":[{"text":"< 1.3.4.9-1ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.3.7.10-1ubuntu1+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 1.4.3.6-2ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.3.4.9-1ubuntu0.1~esm1 | < 1.3.7.10-1ubuntu1+esm1 | < 1.4.3.6-2ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5231-1","label":"ubuntu.com/security/notices/USN-5231-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-35518","label":"ubuntu.com/security/CVE-2020-35518","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-3514","label":"ubuntu.com/security/CVE-2021-3514","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-35518","CVE-2021-3514"],"downstream":[],"duplicates":[],"related":["CVE-2020-35518","CVE-2021-3514"]},"timeline":[{"kind":"published","date":"2022-07-18T10:09:50.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:30:56.127Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T23:27:21.289Z","stale":false,"partial":false}}