Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-4480

Severity CVSS v4.0:
HIGH
Type:
Unavailable / Other
Publication date:
02/06/2026
Last modified:
02/06/2026

Description

Dräger Protector Software prior to version 6.4.2 contains a local privilege escalation vulnerability due to insecure file system permissions that allows local attackers to execute arbitrary code with elevated privileges. Attackers can replace binaries or loaded modules on the host system to execute code with NT SYSTEM privileges.

Impact

Vector 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H CVSS v4.0 Severity and Metrics:

Base Score: 8.30 HIGH
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): Active
Confidentiality (VC): None
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): High
Availability (SA): High

Base Score 4.0
8.30
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.20 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): None
Integrity (I): High
Availability (A): High

Base Score 3.x
8.20
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools