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CVE-2021-29242

Quick assessment

Affected
n/a n/a
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 Control是德国3S-Smart Software Solutions（3s-smart Software Solutions）公司的一套工业控制程序编程软件。 CODESYS Control Runtime system 3.5.17.0之前版本存在安全漏洞，该漏洞源于有不正确的输入验证。攻击者可利用该漏洞可以发送精心设计的通信数据包来改变路由器的寻址方案，并可能重新路由、添加、删除或更改低级通信包。

AI Predicted 8.1 Difficulty: Easy EPSS 1.07% · P64

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-29242

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
3s-smart Software Solutions CODESYS Control 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
3s-smart Software Solutions CODESYS Control是德国3S-Smart Software Solutions（3s-smart Software Solutions）公司的一套工业控制程序编程软件。 CODESYS Control Runtime system 3.5.17.0之前版本存在安全漏洞，该漏洞源于有不正确的输入验证。攻击者可利用该漏洞可以发送精心设计的通信数据包来改变路由器的寻址方案，并可能重新路由、添加、删除或更改低级通信包。
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
- n/a n/a -

II. Public POCs for CVE-2021-29242

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III. Intelligence Information for CVE-2021-29242

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Other References for CVE-2021-29242 (3)

Same Patch Batch · n/a · 2021-05-03 · 17 CVEs total

CVE-2020-23015 Deciso OPNsense 输入验证错误漏洞
CVE-2021-32020 Amazon Web Services FreeRTOS 缓冲区错误漏洞
CVE-2020-23083 JEECG 代码问题漏洞
CVE-2020-35758 Libre Wireless LS9 授权问题漏洞
CVE-2020-35757 Libre Wireless 访问控制错误漏洞
CVE-2020-35756 Libre Wireless 访问控制错误漏洞
CVE-2020-35755 Libre Wireless LS9 访问控制错误漏洞
CVE-2020-28945 Open-xchange OX App Suite 跨站脚本漏洞
CVE-2020-20218 MikroTik RouterOS 缓冲区错误漏洞
CVE-2020-20247 Mikrotik RouterOs 缓冲区错误漏洞
CVE-2021-29239 3s-smart Software Solutions CODESYS Development System 数据伪造问题漏洞
CVE-2021-29238 CODESYS Group CODESYS Automation Server 跨站请求伪造漏洞
CVE-2021-29241 CODESYS 代码问题漏洞
CVE-2021-28860 Node.js mixme 安全漏洞
CVE-2021-29369 gnuplot 操作系统命令注入漏洞
CVE-2021-31996 Rust 资源管理错误漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-29242

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