Manage Engine OpManager CVE-2020-28653 Proof of Concept

This proof of concept detects whether a Manage Engine OpManager instance is vulnerable to CVE-2020-28653. Detection is performed by firing off a request containing the serialized payload to the instance. Upon the payload being deserialized, it will cause the instance to invoke a DNS Lookup.

Installation

1. Clone the repository by running: git clone https://github.com/intrigueio/cve-2020-2853-poc

2. Install the required dependencies by running: bundle install

Usage

bundle exec ruby CVE-2020-28653.rb [options]
    -t target                        target to exploit (including scheme) e.g http://localhost:8060
    -l listener                      DNS Listener e.g 1766x23ymcldy2ppolrnvxngc7ix6m.burpcollaborator.net
    -p /path/to/ysoserial.jar        Path to ysoserial.jar

References

https://haxolot.com/posts/2021/manageengine_opmanager_pre_auth_rce/

Credits

• shpendk
• m-q-t
• Haxolot