# Security Updates on Vulnerabilities - Multiple Vulnerabilities in OpenSSL - Endpoint Central Knowledge Base

## Multiple Vulnerabilities in Apache & OpenSSL

### What was the Problem?

Multiple vulnerabilities in Apache version older than **2.4.29** and OpenSSL version older than **1.0.2n** were causing security threats.

### How do I fix it?

This fix is applicable for **Endpoint Central build numbers 1.0.100 and above**. Follow the below steps to update to the latest Apache version.

1. From `services.msc`, stop your Endpoint Central server service.
2. Download [this zip file](https://downloads.zohocorp.com/dnd/Desktop_Central/o_1c441idcr1dd0sp7f9d1vjs13me1/UpgradeApache.zip) and extract it.
3. Copy the extracted files and paste them into your Endpoint Central installation folder (**ManageEngine/DesktopCentral_Server folder**).
4. Using Command Prompt in administrator mode, navigate to the Endpoint Central `bin` folder and execute **upgradeWebServer.bat**. This will upgrade your Apache and OpenSSL to the latest version.

**Keywords:** Vulnerabilities, Security Updates, Vulnerabilities and Fixes, OpenSSL, OpenSSL 1.0.2n