CVE-2021-4406

Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and others

Description

An administrator is able to execute commands as root via the alerts management dialog

Remediation

Solution:

  • Upgrade to the latest version of OSNEXUS QuantaStor and hope it is fixed

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.05%
Third-Party Advisory divd.nl Third-Party Advisory divd.nl
Affected: OSNEXUS QuantaStor
Published at:
Updated at:

References

Link Tags
https://csirt.divd.nl/DIVD-2021-00020/ third party advisory
https://www.osnexus.com/products/software-defined-storage product
https://csirt.divd.nl/CVE-2021-4406 third party advisory
https://www.divd.nl/DIVD-2021-00020

Frequently Asked Questions

What is the severity of CVE-2021-4406?
CVE-2021-4406 has been scored as a critical severity vulnerability.
How to fix CVE-2021-4406?
To fix CVE-2021-4406: Upgrade to the latest version of OSNEXUS QuantaStor and hope it is fixed
Is CVE-2021-4406 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4406 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4406?
CVE-2021-4406 affects OSNEXUS QuantaStor.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.