What is the CVSS score of CVE-2019-25271?

CVE-2019-25271 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: 0.1%.

Which versions of Windows are affected by CVE-2019-25271?

NETGATE Data Backup 3.0.620 contains a critical privilege escalation vulnerability that allows attackers to gain complete system control (LocalSystem privileges) on affected Windows servers.

Is there a public PoC exploit available for CVE-2019-25271?

Yes, a public proof-of-concept exploit is available for CVE-2019-25271. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2019-25271?

Within 24 hours: Inventory all systems running NETGATE Data Backup 3.0.620 and restrict file write permissions to the installation directory to authorized administrators only; disable the NGDatBckpSrv service if not actively required. Within 7 days: Implement application whitelisting on affected systems and isolate backup servers from general user access networks. Within 30 days: Contact NETGATE for available workarounds or upgrade paths; migrate to alternative backup solutions if no patch becomes available, or upgrade to a patched version once released.

Windows CVE-2019-25271

HIGH

Unquoted Search Path or Element (CWE-428)

2026-02-05 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 - 21:55 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

NETGATE Data Backup 3.0.620 contains an unquoted service path vulnerability in its NGDatBckpSrv Windows service configuration. Attackers can exploit the unquoted path to inject and execute malicious code with LocalSystem privileges by placing executable files in specific directory locations.