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CVE-2023-49676— CODESYS: Use after free vulnerability through corrupted project files

Quick assessment

Affected
CODESYS CODESYS Development System V2.3
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.

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。

CVSS 5.5 · Medium EPSS 0.18% · P7
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
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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III. Intelligence Information for CVE-2023-49676

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Other References for CVE-2023-49676 (1)

IV. Related Vulnerabilities

Same product: CODESYS Development System V2.3
Same vendor: CODESYS
Same weakness: CWE-416

V. Comments for CVE-2023-49676

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