{"schemaVersion":3,"id":"CVE-2021-20077","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token.","dates":{"published":"2021-03-19T18:46:43.000Z","modified":"2024-08-03T17:30:07.670Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.2,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.7,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.2,"severity":"high","vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00346,"percentile":0.26575,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.00346},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00346,"percentile":0.26575}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00346,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00346,"percentile":0.26575}]},"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":"tenable","product":"nessus_agent","name":"nessus agent","label":"nessus_agent","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.2.0, < 8.2.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.2.0, < 8.2.3","eol":null,"hubHref":"/vendor/tenable/nessus_agent"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.tenable.com/security/tns-2021-04-0","label":"www.tenable.com/security/tns-2021-04-0","hostname":"www.tenable.com","tags":["X Refsource MISC","Patch","Vendor Advisory"]},{"url":"https://www.tenable.com/security/tns-2021-07","label":"www.tenable.com/security/tns-2021-07","hostname":"www.tenable.com","tags":["X Refsource MISC","Not Applicable","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-03-19T18:46:43.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T17:30:07.670Z","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":"2026-10-19T13:29:39.054Z","stale":false,"partial":false}}