Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and others
CVE-2021-4406

9.1CRITICAL

Key Information:

Vendor

Osnexus

Status
Quantastor
Vendor
CVE Published:
10 July 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-4406?

The vulnerability allows an administrator to execute commands with root privileges through the alerts management dialog in Osnexus Software Defined Storage. This improper input validation can lead to unauthorized access and potential system compromise, emphasizing the importance of regular updates and security practices to mitigate risks.

Affected Version(s)

QuantaStor 0 <= 6.0.0.355

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-4406 - Proof of Concept

References

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-advisoryexploittechnical-description

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wietse Boonstra
.