CVE-2025-48389

HIGH EPSS 51.5%
Published May 29, 20251y ago · Modified Jun 17, 20262w ago
8.6 CVSS 4.0
High
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Published May 29, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
8.6
Exploitability
—
Impact
—
Vector string
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
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
51.5% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

Affected Products 1

VendorProductVersionRange
freescoutfreescout* <1.8.178

References 2

  • github.com https://github.com/freescout-help-desk/freescout/commit/f7548a7076a0b6e109001069d6be223fbd96c61e
    Patch
  • github.com https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-jmpv-8q3h-2m8v
    ExploitVendor Advisory

Remediation

  • github.com https://github.com/freescout-help-desk/freescout/commit/f7548a7076a0b6e109001069d6be223fbd96c61e
    Patch