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CVE-2025-48389

7.2 · HIGH

FreeScout is a free self-hosted help desk and shared mailbox.

Published May 29, 2025CWE-502EPSS 0.91%

Overview

CVE-2025-48389 is a high-severity vulnerability. It was published on May 29, 2025 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.178, FreeScout is vulnerable to deserialization of untrusted data due to insufficient validation. Through the set function, a string with a serialized object can be passed, and when getting an option through the get method, deserialization will occur, which will allow arbitrary code execution This issue has been patched in version 1.8.178.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/freescout-help-desk/freescout/commit/f7548a7076a0b6e109001069d6be223fbd96c61eGitHubgithub.com/freescout-help-desk/freescout/security/advisories/GHSA-jmpv-8q3h-2m8v

How CyberStrike helps

Frequently asked questions

What is CVE-2025-48389?

CVE-2025-48389 is a high-severity vulnerability. It was published on May 29, 2025 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2025-48389?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-48389?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-48389?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-48389 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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