What is the CVSS score of CVE-2021-47828?

CVE-2021-47828 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 Windows are affected by CVE-2021-47828?

Organizations using BOOTP Turbo 2.0.0.1253 face notable risk from CVE-2021-47828 rated CVSS 7.8. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2021-47828?

Yes, a public proof-of-concept exploit is available for CVE-2021-47828. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2021-47828?

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

Windows CVE-2021-47828

HIGH

Unquoted Search Path or Element (CWE-428)

2026-01-16 disclosure@vulncheck.com

Windows

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

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

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 - 15:05 vuln.today

Public exploit code

CVE Published

Jan 16, 2026 - 19:16 nvd

HIGH 7.8

DescriptionCVE.org

BOOTP Turbo 2.0.0.1253 contains an unquoted service path vulnerability in its Windows service configuration. Attackers can exploit the unquoted path to execute arbitrary code with elevated LocalSystem privileges during system startup or reboot.