Cyber Resilience

CVE-2021-4481

HighPublic PoCLPE

Published: 02 June 2026

Published
02 June 2026
Modified
04 June 2026
KEV Added
Patch
CVSS Score v4 8.3 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0011 1.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2021-4481 is a high-severity Incorrect Permission Assignment for Critical Resource (CWE-732) vulnerability in Draeger (inferred from references). Its CVSS base score is 8.3 (High).

Operationally, ranked at the 1.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

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…

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system to execute code with NT SYSTEM privileges.

CWE(s)

Related Threats

CVEs Like This One

CVE-2024-57068Shared CWE-732
CVE-2021-4480Shared CWE-732
CVE-2025-33088Shared CWE-732
CVE-2022-50931Shared CWE-732
CVE-2025-52627Shared CWE-732
CVE-2025-1067Shared CWE-732
CVE-2025-21325Shared CWE-732
CVE-2025-24527Shared CWE-732
CVE-2025-12985Shared CWE-732
CVE-2025-21564Shared CWE-732

Affected Assets

Draeger
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-732

Procedures support proper permission assignment for critical resources through documented controls.

addresses: CWE-732

Attribute management for resources provides a mechanism to assign and maintain correct permissions based on security labels.

addresses: CWE-732

Prevents overly permissive assignments to critical resources by limiting to task needs.

addresses: CWE-732

Training policy covers correct permission assignment, reducing the ability to exploit incorrect permission assignments for critical resources.

addresses: CWE-732

Training on permission management reduces incorrect permission assignments for critical resources.

addresses: CWE-732

Audit logs and logging tools are critical resources whose protection requires correct permission assignments to block unauthorized actions.

addresses: CWE-732

Assessments review permission assignments on critical resources to confirm correctness, mitigating exploitation via incorrect permissions.

addresses: CWE-732

Certification includes checking that permissions on critical resources are correctly assigned.

References