description: Any authenticated user (valid client certificate but without ACL permissions) could upload a template which contained malicious code and caused a denial of service via Java deserialization attack. The fix to properly handle Java deserialization was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release.
problem types: Java deserialization
affected:
{
product: Apache NiFi
vendor: Apache Software Foundation
versions:
status: affected, version: 1.0.0 - 1.3.0
}