What is the CVSS score of CVE-2019-25287?

CVE-2019-25287 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Adaware Web Companion are affected by CVE-2019-25287?

CVE-2019-25287 is a high-severity vulnerability in WCAssistantService that allows attackers to execute code with elevated privileges on affected systems.

Is there a public PoC exploit available for CVE-2019-25287?

Yes, a public proof-of-concept exploit is available for CVE-2019-25287. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2019-25287?

Within 24 hours: Identify all systems running WCAssistantService and assess exposure; isolate or restrict network access to affected systems pending remediation. Within 7 days: Implement compensating controls including network segmentation, WAF rules to block exploitation attempts, and disable WCAssistantService if business operations permit. Within 30 days: Develop and execute a migration strategy to replace WCAssistantService with a patched alternative or upgrade to a vendor version that addresses this vulnerability.

Adaware Web Companion CVE-2019-25287

HIGH

Unquoted Search Path or Element (CWE-428)

2026-02-05 disclosure@vulncheck.com

Code Injection

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 05, 2026 - 14:57 vuln.today

Public exploit code

CVE Published

Feb 05, 2026 - 00:15 nvd

HIGH 7.8

DescriptionCVE.org

Adaware Web Companion version 4.8.2078.3950 contains an unquoted service path vulnerability in the WCAssistantService that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Lavasoft\Web Companion\Application\ to inject malicious code that would execute with LocalSystem privileges during service startup.

AnalysisAI

WCAssistantService contains a vulnerability that allows attackers to potentially execute code with elevated privileges (CVSS 7.8).

Technical ContextAI

affects WCAssistantService. Adaware Web Companion version 4.8.2078.3950 contains an unquoted service path vulnerability in the WCAssistantService that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Lavasoft\Web Companion\Application\ to inject malicious code that would execute with LocalSystem privileges during service startup.