What is CVE-2021-4481?

CVE-2021-4481 is a high-severity vulnerability in Dräger Protector Software, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.2/10. Published 2026-06-02.

How severe is CVE-2021-4481?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Dräger Protector Software

CVE-2021-4481

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.

EPSS: 0.001 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H.

Affected products

Dräger Protector Software — versions 0

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (vendor-advisory)

Frequently asked questions

What is CVE-2021-4481?: CVE-2021-4481 is a high-severity vulnerability in Dräger Protector Software, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 8.2/10. Published 2026-06-02.
How severe is CVE-2021-4481?: High severity. CVSS v3 base score is 8.2 out of 10.