What is the CVSS score of CVE-2021-47879?

CVE-2021-47879 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%.

Is there a public PoC exploit available for CVE-2021-47879?

Yes, a public proof-of-concept exploit is available for CVE-2021-47879. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47879?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

CVE-2021-47879

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-21 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 - 21:54 vuln.today

PoC Detected

Jan 26, 2026 - 15:04 vuln.today

Public exploit code

CVE Published

Jan 21, 2026 - 18:16 nvd

HIGH 7.8

DescriptionCVE.org

eBeam Interactive Suite 3.6 contains an unquoted service path vulnerability in the eBeam Stylus Driver service that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Luidia\eBeam Stylus Driver\ to inject malicious executables that would run with LocalSystem permissions.

AnalysisAI

eBeam Stylus Driver service contains a vulnerability that allows attackers to potentially execute code with elevated privileges (CVSS 7.8).

Technical ContextAI

exists in the eBeam Stylus Driver component. eBeam Interactive Suite 3.6 contains an unquoted service path vulnerability in the eBeam Stylus Driver service that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\Program Files (x86)\Luidia\eBeam Stylus Driver\ to inject malicious executables that would run with LocalSystem permissions.