Adaware Web Companion 4.9.2159 contains an unquoted service path vulnerability in the WCAssistantService that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be run with LocalSystem privileges during service startup.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Lavasoft Web Companion affected
Version Status Constraints
4.9.2159 affected —

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://webcompanion.com/ cve-icon cve-icon
http://webcompanion.com/LP-WC002/index.php?partner=LU150701WEBDIRECT&campaign=www.doc2pdf.com&search=2&homepage=2&bd=2 cve-icon cve-icon
https://www.exploit-db.com/exploits/47852 cve-icon cve-icon
https://www.vulncheck.com/advisories/adaware-web-companion-wcassistantservice-unquoted-service-path cve-icon cve-icon
History

Tue, 03 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 03 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Description Adaware Web Companion 4.9.2159 contains an unquoted service path vulnerability in the WCAssistantService that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be run with LocalSystem privileges during service startup.
Title Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path
Weaknesses CWE-428
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-03T17:07:33.803Z

Reserved: 2026-02-01T13:16:06.489Z

Link: CVE-2020-37102

cve-icon Vulnrichment

Updated: 2026-02-03T17:07:30.646Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T15:16:11.140

Modified: 2026-02-03T16:44:03.343

Link: CVE-2020-37102

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses