CVE-2021-36313 : Security Advisory and Response

Dell EMC CloudLink 7.1 and prior versions are impacted by an OS command injection vulnerability, allowing a remote attacker to execute arbitrary commands with application privileges. This critical vulnerability poses a high risk of system takeover.

Understanding CVE-2021-36313

This CVE identifies a critical OS command injection flaw in Dell EMC CloudLink versions before 7.1.1, enabling attackers to execute malicious commands remotely.

What is CVE-2021-36313?

The vulnerability in Dell EMC CloudLink versions before 7.1.1 allows a high-privileged remote attacker to run arbitrary OS commands on the underlying system, potentially leading to complete compromise of the application and its host OS.

The Impact of CVE-2021-36313

With a CVSS base score of 9.1 (Critical), this vulnerability poses a severe threat, as exploitation can result in a complete system takeover by an attacker, jeopardizing data confidentiality, integrity, and availability.

Technical Details of CVE-2021-36313

CVE-2021-36313 is classified under CWE-74, representing improper neutralization of special elements in output utilized by a downstream component, commonly known as 'Injection'. The vulnerability affects CloudLink by Dell EMC versions prior to 7.1.1.

Vulnerability Description

The OS command injection flaw in Dell EMC CloudLink versions before 7.1.1 allows attackers to execute unauthorized commands on the target system with elevated privileges.

Affected Systems and Versions

CloudLink by Dell EMC versions prior to 7.1.1 are affected by this vulnerability, exposing them to potential exploitation by remote attackers.

Exploitation Mechanism

Remote attackers with high privileges can exploit this vulnerability to gain unauthorized access and execute arbitrary OS commands, potentially compromising the entire system.

Mitigation and Prevention

To address CVE-2021-36313, immediate action is crucial to prevent unauthorized access and system compromise.

Immediate Steps to Take

Users are advised to upgrade Dell EMC CloudLink to version 7.1.1 or above to mitigate the OS command injection vulnerability and enhance system security.

Long-Term Security Practices

Incorporate regular security assessments, maintain up-to-date software versions, and monitor for security patches to prevent similar vulnerabilities in the future.

Patching and Updates

Dell recommends customers to apply the latest updates and security patches promptly to safeguard their systems against potential exploits.