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CVE-2021-4481— Dräger Protector Software Local Privilege Escalation via Insecure File Permissions

Quick assessment

Affected
Dräger Protector Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dräger Protector Software是德国Dräger公司的一个气体检测与安全监测管理平台。 Dräger Protector Software 6.4.2之前版本存在安全漏洞，该漏洞源于文件系统权限不安全，可能导致本地攻击者以提升的权限执行任意代码。

CVSS 8.2 · High EPSS 0.11% · P1

Affected Version Matrix 1

VendorProduct Version RangeStatus
Dräger Protector Software < 6.4.2 affected
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I. Basic Information for CVE-2021-4481

Vulnerability Information
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Vulnerability Title
Dräger Protector Software Local Privilege Escalation via Insecure File Permissions
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
Dräger Protector Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dräger Protector Software是德国Dräger公司的一个气体检测与安全监测管理平台。 Dräger Protector Software 6.4.2之前版本存在安全漏洞，该漏洞源于文件系统权限不安全，可能导致本地攻击者以提升的权限执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dräger Protector Software 0 ~ 6.4.2 -

II. Public POCs for CVE-2021-4481

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III. Intelligence Information for CVE-2021-4481

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Vendor Advisories for CVE-2021-4481 (2)

Same Patch Batch · Dräger · 2026-06-02 · 13 CVEs total

CVE-2019-25719 8.6 HIGH Dräger Infinity M540 VG4.1.1 Spoofing and DoS via Network Message Handling
CVE-2022-4992 8.6 HIGH Dräger Infinity M540 VG4.1.1 Spoofed Network Message Handling DoS/Tampering
CVE-2021-4478 8.2 HIGH Dräger CC-Vision Basic and CC-Vision E-Cal Out-of-Bounds Write via Malicious GDT File
CVE-2021-4480 8.2 HIGH Dräger Protector Software Local Privilege Escalation via Insecure File Permissions
CVE-2019-25722 7.6 HIGH Dräger SC Monitoring Devices Hard-coded Credentials and DoS
CVE-2024-14036 7.5 HIGH Dräger Core 1.0.5 Denial of Service via Malformed SDC Message
CVE-2025-15653 6.8 MEDIUM Dräger Zeus IE Anesthesia Workstation USB Interface Privilege Escalation
CVE-2019-25724 6.5 MEDIUM Dräger Infinity M300 VG2.x Network-Based Denial of Service
CVE-2019-25721 6.5 MEDIUM Dräger Infinity M300 VG2.3.1 Network-Based Denial of Service
CVE-2019-25717 4.3 MEDIUM Dräger Infinity Delta/Kappa Patient Monitors Unauthenticated Log File Disclosure
CVE-2019-25723 4.0 MEDIUM Dräger Perseus A500 2.00-2.02 DoS via Medibus Interface
CVE-2021-4479 4.0 MEDIUM Dräger Atlan A350 1.00 <= 1.01 DoS via Medibus Interface

IV. Related Vulnerabilities

Same product: Protector Software
Same vendor: Dräger
Same weakness: CWE-732

V. Comments for CVE-2021-4481

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