CVE-2025-13131
- CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published: 2025-11-13T22:15:50.227
A vulnerability was found in Sonarr 4.0.15.2940. The impacted element is an unknown function of the file C:ProgramDataSonarrbinSonarr.Console.exe of the component Service. Performing manipulation results in incorrect default permissions. The attack is only possible with local access. The vendor confirms this vulnerability but classifies it as a “low severity issue due to the default service user being used as it would either require someone to intentionally change the service to a highly privileged account or an attacker would need an admin level account”. It is planned to fix this issue in the next major release v5.
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How to fix CVE-2025-13131
Description: A vulnerability was found in Sonarr 4.0.15.2940. The impacted element is an unknown function of the file C:ProgramDataSonarrbinSonarr.Console.exe of the component Service. Performing manipulation results in incorrect default permissions. The attack is only possible with local access. The vendor confirms this vulnerability but classifies it as a “low severity issue due to the default service […]
Exploit Difficulty: MEDIUM
⏱️ Time to exploit: 1-4 hours
🛠️ Required skills: Intermediate security knowledge
💰 Public exploits: May be available
How to Fix:
- Check if you're running the affected product
- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access
- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)
- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
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