No authentication/authorization is enforced when a server attempts to join a quorum in Apache ZooKeeper before 3.4.10, and 3.5.0-alpha through 3.5.3-beta. As a result an arbitrary end point could join the cluster and begin propagating counterfeit changes to the leader.
{
"github_reviewed": true,
"cwe_ids": [
"CWE-862"
],
"github_reviewed_at": "2022-06-29T19:03:52Z",
"nvd_published_at": "2018-05-21T19:29:00Z",
"severity": "HIGH"
}