An authenticated user with read-only privileges can cause the mongod process to terminate abnormally by issuing a crafted aggregation command, resulting in denial of service for all connected clients until the process is restarted. The issue stems from an internal engine selection inconsistency triggered by a specific combination of aggregation options.
{
"severity": "Medium",
"cpes": [
"cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*"
]
}