CVE-2021-45008 : Security Advisory and Response

Plesk CMS 18.0.37 is affected by an insecure permissions vulnerability allowing privilege escalation from a user to admin rights.

Understanding CVE-2021-45008

What is CVE-2021-45008?

Plesk CMS 18.0.37 has a security flaw enabling unauthorized users to escalate their privileges to admin status on affected systems.

The Impact of CVE-2021-45008

The vulnerability poses a risk of unauthorized access and potential misuse of admin-level capabilities on Plesk CMS 18.0.37.

Technical Details of CVE-2021-45008

Vulnerability Description

The insecure permissions vulnerability in Plesk CMS 18.0.37 allows users to gain admin privileges illegitimately.

Affected Systems and Versions

Product: Plesk CMS 18.0.37
Vendor: n/a
Version: n/a (affected)

Exploitation Mechanism

The vulnerability enables attackers to exploit insecure permissions, leading to privilege escalation from standard user to admin.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-supplied patches promptly to mitigate the vulnerability.
Restrict access and permissions to limit the impact of potential privilege escalation.

Long-Term Security Practices

Regularly monitor and audit user permissions to detect unauthorized changes.
Conduct security assessments to identify and address similar vulnerabilities in the environment.
Educate users on secure practices to prevent escalation of privileges.
Stay informed about security updates and advisories related to Plesk CMS.

Patching and Updates

Keep Plesk CMS updated with the latest patches and security fixes to address known vulnerabilities.