CVE-2016-3104 Denial of service in n/a
Remote attackers can cause denial of service in MongoDB by authenticating against a non-existent database when using legacy user configurations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-3104?
CVE-2016-3104 is a high-severity denial of service vulnerability in Mongodb Mongodb, published on 14 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
mongod in MongoDB 2.6, when using 2.4-style users, and 2.4 allow remote attackers to cause a denial of service (memory consumption and process termination) by leveraging in-memory database representation when authenticating against a non-existent database.
Weakness: CWE-400
Which versions are affected by CVE-2016-3104?
It affects 1 product.
Products include Mongodb Mongodb.
How do I fix CVE-2016-3104?
No fix has been published for CVE-2016-3104 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-3104 being exploited?
There is no known exploitation of CVE-2016-3104 in the wild and no public exploit code.
Other vulnerabilities in Mongodb Mongodb
- CVE-2025-14847 MongoDB and MongoDB Server Improper Handling of Length Parameter Inconsistency
- CVE-2026-82067 Auth bypass in MongoDB Server
- CVE-2026-13072 MongoDB Improper Input Validation in Compute Mode External Data Processing Leading to Memory Corruption
- CVE-2017-15535 Denial of service in n/a
- CVE-2026-18691 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential Exposure
Sources
Also known as GHSA-pcc8-h4hw-2238, UBUNTU-CVE-2016-3104.