Cockpit before 0.6.1 allows an attacker to inject custom PHP code and achieve Remote Command Execution via registerCriteriaFunction in lib/MongoLite/Database.php, as demonstrated by values in JSON data to the /auth/check or /auth/requestreset URI.
{ "versions": [ { "introduced": "0" }, { "fixed": "0.6.1" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35131.json"