CVE-2023-22815 : What You Need to Know

This CVE-2023-22815 was published on June 30, 2023, by WDC PSIRT for a post-authentication remote command injection vulnerability found in Western Digital My Cloud OS 5 devices. The vulnerability could allow an attacker to execute code in the context of the root user on vulnerable CGI files.

Understanding CVE-2023-22815

This vulnerability poses a risk to the integrity and availability of affected systems running My Cloud OS 5 versions before 5.26.300. It requires the attacker to already have admin/root privileges and an authentication bypass, making the exploitation process more complex.

What is CVE-2023-22815?

CVE-2023-22815 is a post-authentication remote command injection vulnerability in Western Digital My Cloud OS 5 devices. It enables an attacker to execute code as the root user on vulnerable CGI files over the network.

The Impact of CVE-2023-22815

The impact of this vulnerability is categorized as medium severity with a CVSS base score of 6.2. The attack vector is through the network, requiring high privileges, and has a high availability impact while the confidentiality impact is low. The integrity impact is high due to the potential for code execution as the root user.

Technical Details of CVE-2023-22815

This section provides specific technical details related to the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The post-authentication remote command injection vulnerability in Western Digital My Cloud OS 5 devices allows an attacker with admin/root privileges to execute code as the root user on vulnerable CGI files over the network.

Affected Systems and Versions

The vulnerability affects Western Digital My Cloud OS 5 devices running versions before 5.26.300. Users with these versions are at risk of exploitation by attackers with admin/root privileges.

Exploitation Mechanism

Exploiting CVE-2023-22815 requires network access and an already authenticated attacker with admin/root privileges. An authentication bypass is necessary for the exploit, making the attack more complex and potentially harmful.

Mitigation and Prevention

To address CVE-2023-22815, users of Western Digital My Cloud OS 5 devices should follow immediate steps to secure their systems, implement long-term security practices, and apply necessary patches and updates to mitigate the risk.

Immediate Steps to Take

Users are recommended to update their devices to the latest firmware version as soon as possible. This action can help prevent potential exploitation of the vulnerability and enhance the security of the affected systems.

Long-Term Security Practices

Implementing strong access controls, network segmentation, and regular security assessments can help enhance the overall security posture of devices and mitigate risks associated with similar vulnerabilities in the future.

Patching and Updates

Western Digital advises users to promptly update their My Cloud OS 5 devices to the latest firmware version. By clicking on the firmware update notification, users can apply necessary patches and security enhancements to protect their systems from potential attacks.