Database issues like this always sound uneasy, especially when they involve MongoDB, because that’s usually where the most sensitive stuff lives. CVE-2025-14847 is one of those problems that doesn’t look scary at first glance, but it can turn into a real mess if it’s ignored. 

1. What Is This Bug?

CVE-2025-14847 is a recent security issue affecting certain MongoDB setups. The issue primarily arises from inadequate security settings, which can enable unauthorized users to access or interact with the database inappropriately. In simple terms, if a MongoDB server is not properly secured, this vulnerability could be exploited to:

• Access sensitive data
• Modify or delete database records
• Cause unexpected service issues

This kind of issue is especially dangerous because databases often store critical application and customer information.

2. Who Is Affected?

This vulnerability can impact any system that uses MongoDB, especially when security practices are not fully implemented. You may be affected if you are running:

• Self-hosted MongoDB servers
• Web applications that depend on MongoDB for data storage
• Cloud or VPS-based MongoDB instances exposed to the internet
• APIs or backend services using MongoDB without strict access controls
• Servers with open MongoDB ports or weak authentication are at a higher risk. Both production and testing environments can be impacted if they are publicly accessible.

3. Remedy – How to Fix It

This issue can be resolved with decent updates and configuration. 

Recommended Actions:

• Update MongoDB to the most recent version that fixes security issues.
• Audit DB user authentication and permission.
• Only allow trusted IPs to connect to MongoDB.
• Limit open access to the default MongoDB port, which is 27017. 

Additional Security Tips:

• Avoid using shared accounts; opt for role-based access management.
• Use secure passwords or key-based authentication.
• Enable TLS/SSL encryption for database connections.
• Regularly check logs to identify unusual activity.

These methods not only resolve CVE-2025-14847, but also enhance overall database security.

4. How does this affect the  JetBackup Users: 

We can confirm that JetBackup does not use the vulnerable `net.compression.compressors` setting referenced in the MongoDB CVE-2025-14847, and JetBackup MongoDB installations are restricted to local connections only. That said, the only 2 official remediations provided by MongoDB are to upgrade to patched versions as soon as possible or disable compression. To that end, we have compiled newer packages that are unaffected by this CVE, and these will be included in the JetBackup 5.4.0 release.

To include their recommendation of disabling compression, you can explicitly disable network compression by making the following changes in `/usr/local/jetapps/etc/mongod.conf`:

Then, restart jetmongod with `service jetmongod restart`

You can then verify it’s disabled in the net.parsed output:

source /usr/local/jetapps/etc/.mongod.auth ; /usr/local/jetapps/usr/bin/mongosh mongodb://127.0.0.1:$PORT -u $USER -p $PASS –authenticationDatabase admin –eval ‘db.adminCommand({ getCmdLineOpts: 1 })’

When set correctly, response will appear like below:

parsed: {

    command: [ ‘run’ ],

    config: ‘/usr/local/jetapps/etc/mongod.conf’,

    net: {

      bindIp: ‘127.0.0.1’,

      compression: { compressors: ‘disabled’ },

      port: 27217

    },

Conclusion

CVE-2025-14847 is quite worrying because it is so easy to stop. The main problems come from using old versions and not checking the settings after the initial setup.

Security issues often show up out of the blue; you’ll only notice them when something goes wrong or data leaks, and by then, it’s too late. If you’re uncomfortable handling this yourself, SupportPRO can assist. Our team can:

• Examine your MongoDB servers for any vulnerabilities.  
• Apply necessary updates and secure configurations.  
• Restrict public access and enhance overall security.  

Confirm that your system is secure after implementing the fixes. Contact SupportPRO today and let our experts secure your MongoDB environment before it becomes a problem.

Partner with SupportPRO for 24/7 proactive cloud support that keeps your business secure, scalable, and ahead of the curve.