# 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](https://github.com/shpendk)
- [m-q-t](https://github.com/m-q-t)
- [Haxolot](https://haxolot.com/)
[4.0K] /data/pocs/1c36acca75af74db0e32da1f2fcd5cb58b982521
├── [ 10] 1002.ser
├── [2.2K] CVE-2020-28653.rb
├── [ 45] Gemfile
└── [1.0K] README.md
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