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CVE-2021-4478— Dräger CC-Vision Basic and CC-Vision E-Cal Out-of-Bounds Write via Malicious GDT File

Quick assessment

Affected
Dräger CC-Vision Basic
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 CC-Vision Basic和Dräger CC-Vision E-Cal都是德国Dräger公司的产品。Dräger CC-Vision Basic是一款便携式气体检测仪配置与维护软件。Dräger CC-Vision E-Cal是一款气体检测设备电子校准与配置管理软件。 Dräger CC-Vision Basic 7.5.3之前版本和Dräger CC-Vision E-Cal 7.2.5.0之前版本存在缓冲区错误漏洞，该漏洞源于加载.gdt文件时存在越界写入，可能导致攻击者崩溃应用

CVSS 8.2 · High EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Dräger CC-Vision Basic < 7.5.3 affected
Dräger CC-Vision E-Cal < 7.2.5.0 affected
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I. Basic Information for CVE-2021-4478

Vulnerability Information
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Vulnerability Title
Dräger CC-Vision Basic and CC-Vision E-Cal Out-of-Bounds Write via Malicious GDT File
Source: CVE Program / CVE List V5
Vulnerability Description
Dräger CC-Vision Basic before 7.5.3 and Dräger CC-Vision E-Cal before 7.2.5.0 contain an out-of-bounds write vulnerability when loading .gdt files. A crafted .gdt file can trigger a buffer overflow during file parsing, allowing an attacker to crash the application or execute malicious code on the underlying system.
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
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Dräger CC-Vision Basic和Dräger CC-Vision E-Cal 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dräger CC-Vision Basic和Dräger CC-Vision E-Cal都是德国Dräger公司的产品。Dräger CC-Vision Basic是一款便携式气体检测仪配置与维护软件。Dräger CC-Vision E-Cal是一款气体检测设备电子校准与配置管理软件。 Dräger CC-Vision Basic 7.5.3之前版本和Dräger CC-Vision E-Cal 7.2.5.0之前版本存在缓冲区错误漏洞，该漏洞源于加载.gdt文件时存在越界写入，可能导致攻击者崩溃应用
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 CC-Vision Basic 0 ~ 7.5.3 -
Dräger CC-Vision E-Cal 0 ~ 7.2.5.0 -

II. Public POCs for CVE-2021-4478

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III. Intelligence Information for CVE-2021-4478

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Vendor Advisories for CVE-2021-4478 (1)

News Coverage for CVE-2021-4478 (1)

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-2021-4481 8.2 HIGH Dräger Protector Software Local Privilege Escalation via Insecure File Permissions
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 vendor: Dräger
Same weakness: CWE-787

V. Comments for CVE-2021-4478

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