CVE-2023-49676— CODESYS: Use after free vulnerability through corrupted project files
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I. Basic Information for CVE-2023-49676
Vulnerability Information
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Vulnerability Title
CODESYS: Use after free vulnerability through corrupted project files
Source: NVD (National Vulnerability Database)
Vulnerability Description
An unauthenticated local attacker may trick a user to open corrupted project files to crash the system due to use after free vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
CODESYS Development System 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
3s-smart Software Solutions CODESYS Development System是德国德国3S智能软件系统方案有限公司（3s-smart Software Solutions）公司的一套用于工业控制器和自动化技术领域的编程工具。 CODESYS Development System V2.3.9.73之前版本存在资源管理错误漏洞，该漏洞源于内存释放后重用。
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 |
|---|---|---|---|---|
| CODESYS | CODESYS Development System V2.3 | 0 ~ 2.3.9.73 | - |
II. Public POCs for CVE-2023-49676
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: CODESYS
- CVE-2026-35225
Improper timeout handling in CODESYS EtherNetIP - CVE-2026-3509
CODESYS Control Audit Log Format String DoS - CVE-2025-41660
CODESYS Control Boot Application Replacement Enables Code Ex - CVE-2026-2364
CODESYS Installer TOCTOU Privilege Escalation - CVE-2025-41700
CODESYS Development System - Deserialization of Untrusted Da
V. Comments for CVE-2023-49676
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