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Vulnerability record · CVE-2021-4481 · published 2 June 2026

CVE-2021-4481: Incorrect permission assignment vulnerability

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.

8.3 CVSS 4.0 High EPSS 0.11% · top 98.9% CWE-732 · Incorrect permission assignment Awaiting Analysis
8.3CVSS 4.0 base score
0.11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
22 Jul 2026Last modified by NVD

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.

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:

References

LinkTags
https://static.draeger.com/security/download/2021-267-01-Draeger-Protector-Software-vulnerabilities.pdf
https://www.vulncheck.com/advisories/dr-ger-protector-software-local-privilege-escalation-via-insecure-file-permissions

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Source: NIST National Vulnerability Database (record CVE-2021-4481), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.