Apache/Alibaba Dubbo <= 2.7.3 PoC Code for CVE-2021-25641 RCE via Deserialization of Untrusted Data; Affects Versions <= 2.7.6 With Different Gadgets
Covered in-depth in the article "The 0xDABB of Doom", published on the Checkmarx blog https://www.checkmarx.com/blog/technical-blog/the-0xdabb-of-doom-cve-2021-25641/