{"schemaVersion":3,"id":"USN-6259-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"open-iscsi vulnerabilities\n\nJos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that\nOpen-iSCSI incorrectly handled certain checksums for IP packets.\nAn attacker could possibly use this issue to expose sensitive information.\n(CVE-2020-13987)\n\nJos Wetzels, Stanislav Dashevskyi, Amine Amri discovered that\nOpen-iSCSI incorrectly handled certain parsing TCP MSS options.\nAn attacker could possibly use this issue to cause a crash or cause\nunexpected behavior. (CVE-2020-13988)\n\nAmine Amri and Stanislav Dashevskyi discovered that Open-iSCSI\nincorrectly handled certain TCP data. An attacker could possibly\nuse this issue to expose sensitive information. (CVE-2020-17437)","dates":{"published":"2023-07-27T11:00:57.000Z","modified":"2026-06-25T13:32:13.206Z","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":"open-iscsi","name":"open-iscsi","label":"open-iscsi","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/open-iscsi","purlType":"deb","versions":[{"text":"< 2.0.873+git0.3b4b4500-14ubuntu3.7+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.0.874-5ubuntu2.11+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 2.0.874-7.1ubuntu6.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.0.873+git0.3b4b4500-14ubuntu3.7+esm1 | < 2.0.874-5ubuntu2.11+esm1 | < 2.0.874-7.1ubuntu6.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6259-1","label":"ubuntu.com/security/notices/USN-6259-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-13987","label":"ubuntu.com/security/CVE-2020-13987","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-13988","label":"ubuntu.com/security/CVE-2020-13988","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-17437","label":"ubuntu.com/security/CVE-2020-17437","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-13987","CVE-2020-13988","CVE-2020-17437"],"downstream":[],"duplicates":[],"related":["CVE-2020-13987","CVE-2020-13988","CVE-2020-17437"]},"timeline":[{"kind":"published","date":"2023-07-27T11:00:57.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:32:13.206Z","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":"2026-10-22T14:33:23.365Z","stale":false,"partial":false}}