CVE-2021-42081 Explained : Impact and Mitigation
Learn about CVE-2021-42081, a critical vulnerability in OSNEXUS QuantaStor before 6.0.0.355 allowing authenticated administrators to remotely execute arbitrary shell commands.
A Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355 allows authenticated administrators to execute arbitrary shell commands via the API.
Understanding CVE-2021-42081
An overview of the authentication vulnerability in OSNEXUS QuantaStor and its implications.
What is CVE-2021-42081?
The vulnerability involves an authenticated administrator being able to remotely execute shell commands through the API.
The Impact of CVE-2021-42081
- Severity: Critical
- CVSS Base Score: 9.1 (Critical)
- Attack Vector: Network
- Impact: High impact on confidentiality, integrity, and availability of the system
Technical Details of CVE-2021-42081
Insight into the vulnerability's technical specifics.
Vulnerability Description
The flaw stems from improper neutralization of special elements used in an OS command, leading to OS command injection.
Affected Systems and Versions
- Vendor: OSNEXUS
- Product: QuantaStor
- Affected Versions: Up to 6.0.0.354
Exploitation Mechanism
The vulnerability allows attackers to exploit the API to execute unauthorized shell commands remotely.
Mitigation and Prevention
Guidance on addressing and safeguarding systems against the CVE-2021-42081 vulnerability.
Immediate Steps to Take
- Upgrade OSNEXUS QuantaStor to version 6.0.0.355
Long-Term Security Practices
- Regular security assessments
- Implement strict access controls
Patching and Updates
Regularly update and patch OSNEXUS QuantaStor to the latest version.