Is CVE-2025-48389 actively exploited?

CVE-2025-48389 has no public evidence of in-the-wild exploitation as of 2025-07-11.

What is the CVSS score for CVE-2025-48389?

CVE-2025-48389 has a CVSS score of 8.6 (HIGH severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-48389?

Patch guidance is available from freescout security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-48389.

Which products are affected by CVE-2025-48389?

1 product: freescout freescout.

Fix CVE-2025-48389 - HIGH freescout freescout

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.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-502 · Insecure Deserialization

Metadata

Primary Vendor: FREESCOUT
Published: 5/29/2025
Last Modified: 7/11/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-48389

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary