{"schemaVersion":3,"id":"CVE-1999-0893","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"userOsa in SCO OpenServer allows local users to corrupt files via a symlink attack.","dates":{"published":"2000-03-22T05:00:00.000Z","modified":"2024-08-01T16:55:29.040Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":2.1,"severity":"low","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":2.1,"severity":"low","vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00696,"percentile":0.5215,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00696},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00696,"percentile":0.5215}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00696,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00696,"percentile":0.5215}]},"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":[{"id":"19542","name":"SCO Open Server 5.0.5 - 'userOsa' Symlink","source":"exploit-database","url":"https://www.exploit-db.com/exploits/19542","maturity":"weaponized","reliabilityScore":0.8,"verified":true,"type":"local","platforms":["sco"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"local","platform":"sco","file":"exploits/sco/local/19542.txt","codes":["CVE-1999-0893","OSVDB-7632"]},"metasploit":null}],"exploitCount":1,"weaknesses":[],"affected":[{"vendor":"sco","product":"openserver","name":"openserver","label":"openserver","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"5.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.0","eol":null,"hubHref":"/vendor/sco/openserver"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0893","label":"exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0893","hostname":"exchange.xforce.ibmcloud.com","tags":["X Refsource MISC"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2000-03-22T05:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-01T16:55:29.040Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":19,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T17:51:50.541Z","stale":false,"partial":false}}