Observable Timing Discrepancy in OpenMage LTS
### Impact
This vulnerability allows to circumvent the **formkey protection** in the Admin Interface and increases the attack surface for **Cross Site Request Forgery** attacks
### Patches
The latest OpenMage Versions up from 19.4.6 and 20.0.2 have this Issue solved
### References
Related to Adobes CVE-2020-9690 (
https://helpx.adobe.com/security/products/magento/apsb20-47.html )
fixed in Magento2
https://github.com/magento/magento2/commit/52d72b8010c9cecb5b8e3d98ec5edc1ddcc65fb4
as part of 2.4.0/2.3.5-p2