CVE-2021-20078 : Security Advisory and Response

This article provides an overview of CVE-2021-20078, a vulnerability affecting Manage Engine OpManager versions prior to build 125346. It discusses the impact, technical details, and mitigation steps for this issue.

Understanding CVE-2021-20078

CVE-2021-20078 is a remote denial of service vulnerability in Manage Engine OpManager due to a path traversal issue in the spark gateway component, allowing remote attackers to delete directories on the OS.

What is CVE-2021-20078?

Manage Engine OpManager versions below build 125346 are vulnerable to remote denial of service attacks, enabling attackers to delete directories remotely on the operating system.

The Impact of CVE-2021-20078

The vulnerability poses a significant risk as attackers can exploit it to disrupt services, leading to potential data loss and system instability.

Technical Details of CVE-2021-20078

The technical details of CVE-2021-20078 include the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

Manage Engine OpManager builds prior to 125346 are exposed to a remote denial of service flaw due to the path traversal issue in the spark gateway component.

Affected Systems and Versions

All versions of Manage Engine OpManager before build 125346 are affected by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit the path traversal issue to delete directories on the OS, causing denial of service.

Mitigation and Prevention

To address CVE-2021-20078, users should take immediate steps to secure their systems and implement long-term security practices.

Immediate Steps to Take

Upgrade Manage Engine OpManager to version build 125346 or newer to mitigate the vulnerability. Implement network security measures to block malicious traffic.

Long-Term Security Practices

Regularly monitor and update the software to patch vulnerabilities promptly. Conduct security assessments and audits to identify and address potential risks.

Patching and Updates

Stay informed about security updates and patches released by Manage Engine. Apply updates promptly to protect systems from known vulnerabilities.