{"schemaVersion":3,"id":"CVE-2020-35606","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Arbitrary command execution can occur in Webmin through 1.962. Any user authorized for the Package Updates module can execute arbitrary commands with root privileges via vectors involving %0A and %0C. NOTE: this issue exists because of an incomplete fix for CVE-2019-12840.","dates":{"published":"2020-12-21T19:19:17.000Z","modified":"2024-08-04T17:09:14.502Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/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":9,"severity":"high","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.28048,"percentile":0.98094,"severity":"high","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.28048},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.28048,"percentile":0.98094}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.28048,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.28048,"percentile":0.98094}]},"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":"REF_4EA9D7CF11E0B286","name":"Exploit Reference (pentest.com.tr)","source":"reference","url":"https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_5216138058C80975","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"49318","name":"Webmin 1.962 - 'Package Updates' Escape Bypass RCE (Metasploit)","source":"exploit-database","url":"https://www.exploit-db.com/exploits/49318","maturity":"poc","reliabilityScore":0.8,"verified":true,"type":null,"platforms":["linux"],"requiresAuth":null,"exploitdb":{"verified":true,"type":"webapps","platform":"linux","file":"exploits/linux/webapps/49318.rb","codes":["CVE-2020-35606"]},"metasploit":null}],"exploitCount":3,"weaknesses":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","description":"The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/78.html"}],"affected":[{"vendor":"webmin","product":"webmin","name":"Webmin","label":"webmin","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.962","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.962","eol":null,"hubHref":"/vendor/webmin/webmin"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html","label":"www.pentest.com.tr/exploits/Webmin-1962-PU-Escape-Bypass-Remote-Command-Execution.html","hostname":"www.pentest.com.tr","tags":["X Refsource MISC","Exploit","Third Party Advisory"]},{"url":"https://www.webmin.com/download.html","label":"www.webmin.com/download.html","hostname":"www.webmin.com","tags":["X Refsource MISC","Product"]},{"url":"http://packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html","label":"packetstormsecurity.com/files/160676/Webmin-1.962-Remote-Command-Execution.html","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/49318","label":"www.exploit-db.com/exploits/49318","hostname":"www.exploit-db.com","tags":["Exploit","X Refsource EXPLOIT DB","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-12-21T19:19:17.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T17:09:14.502Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T07:11:27.829Z","stale":false,"partial":false}}