Windscribe for Linux 'changeMTU' local privilege escalation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-65199
StatePUBLISHED
Assignercisa-cg
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-10 19:16:34 UTC
Updated2026-09-28 22:10:00 UTC
DescriptionA command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the 'adapterName' parameter of the 'changeMTU' function. Fixed in Windscribe v2.18.3-alpha and v2.18.8.

Risk And Classification

Primary CVSS: v4.0 7.3 HIGH from 9119a7d8-5eab-497f-8521-727c672e3725

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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

EPSS: 0.012530000 probability, percentile 0.682800000 (date 2026-09-29)

Problem Types: CWE-78 | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

VersionSourceTypeScoreSeverityVector
4.09119a7d8-5eab-497f-8521-727c672e3725Secondary7.3HIGHCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED7.3HIGHCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.19119a7d8-5eab-497f-8521-727c672e3725Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Windscribe Windscribe 2.18.1 alpha All All
Application Windscribe Windscribe 2.18.3 All All All
Application Windscribe Windscribe 2.18.5 All All All
Application Windscribe Windscribe All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Windscribe Windscribe For Linux Desktop App affected 2.10.1 2.18.3-alpha custom Not specified
CNA Windscribe Windscribe For Linux Desktop App affected 2.10.1 2.18.8 custom Not specified
CNA Windscribe Windscribe For Linux Desktop App unaffected 2.18.3-alpha Not specified
CNA Windscribe Windscribe For Linux Desktop App unaffected 2.18.8 Not specified

References

ReferenceSourceLinkTags
www.cve.org/CVERecord 9119a7d8-5eab-497f-8521-727c672e3725 www.cve.org Third Party Advisory, US Government Resource
github.com/Windscribe/Desktop-App/compare/v2.18.2...v2.18.3 9119a7d8-5eab-497f-8521-727c672e3725 github.com Patch
hackingbydoing.wixsite.com/hackingbydoing/post/windscribe-vpn-local-privilege-escalation 9119a7d8-5eab-497f-8521-727c672e3725 hackingbydoing.wixsite.com Exploit, Press/Media Coverage, Third Party Advisory
github.com/Windscribe/Desktop-App 9119a7d8-5eab-497f-8521-727c672e3725 github.com Product
github.com/Windscribe/Desktop-App/compare/v2.18.2...v2.18.3 9119a7d8-5eab-497f-8521-727c672e3725 github.com Patch
raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-343-01.json 9119a7d8-5eab-497f-8521-727c672e3725 raw.githubusercontent.com Third Party Advisory
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: HackingByDoing (en)

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