This is part of Cved: a tool to manage vulnerable docker containers.
Cved: https://github.com/git-rep-src/cved
Image source: https://github.com/cved-sources/cve-2017-4971
Image author: https://github.com/Medicean/VulApps/tree/master/s/springwebflow/1