CVE-2020-11552 : Vulnerability Insights and Analysis

An elevation of privilege vulnerability exists in ManageEngine ADSelfService Plus before build 6003, allowing an unauthenticated attacker to escalate privileges on a Windows host.

Understanding CVE-2020-11552

This CVE describes a security flaw in ManageEngine ADSelfService Plus that could lead to privilege escalation on Windows systems.

What is CVE-2020-11552?

The vulnerability arises from the improper enforcement of user privileges associated with a Certificate dialog in ManageEngine ADSelfService Plus. This flaw enables an unauthenticated attacker to elevate their privileges on a Windows host without requiring any existing privileges on the target system.

The Impact of CVE-2020-11552

The vulnerability could be exploited by an attacker with physical access to the host, allowing them to trigger a security alert by providing a self-signed SSL certificate. This could lead to the execution of cmd.exe as SYSTEM, potentially compromising the entire system.

Technical Details of CVE-2020-11552

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in ManageEngine ADSelfService Plus before build 6003 allows an unauthenticated attacker to exploit a security alert triggered by a self-signed SSL certificate, leading to privilege escalation on a Windows host.

Affected Systems and Versions

Product: ManageEngine ADSelfService Plus
Vendor: ManageEngine
Versions affected: Before build 6003

Exploitation Mechanism

Attacker triggers a security alert by supplying a self-signed SSL certificate
Exploitation can lead to launching cmd.exe as SYSTEM

Mitigation and Prevention

Protecting systems from CVE-2020-11552 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update ManageEngine ADSelfService Plus to build 6003 or later
Monitor and restrict physical access to systems
Implement network segmentation to limit unauthorized access

Long-Term Security Practices

Conduct regular security assessments and audits
Educate users on social engineering and phishing tactics
Implement the principle of least privilege to restrict user access

Patching and Updates

Apply patches and updates provided by ManageEngine promptly