CVE-2025-48389 | BDVDB-2026-280532 Detail

freescout-help-deskfreescout

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact low. Attack vector: network.

Weaknesses#

CWE-502 Deserialization of Untrusted Data

References#

Exploit#

No public exploit known

History#

Version 12025-05-29Record published in the CVE List.
Version 22025-05-30Most recent update recorded in the CVE List.

Published

Published: 2025-05-29
Last modified: 2025-05-30

Vendor information

Vendor: freescout-help-desk
Product: freescout

All freescout-help-desk vulnerabilities

Score

8.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 62.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Insecure Deserialization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.8.178
Fixed
Not stated

Scoring System

CVSS v4.0

8.6 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	Low
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).