A deserialization of untrusted data vulnernerability exists in rails < 5.2.4.3, rails < 6.0.3.1 that can allow an attacker to unmarshal user-provided objects in MemCacheStore and RedisCacheStore potentially resulting in an RCE.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-8165.json"