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CVE-2021-35979

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.

Digi RealPort是一种专有的 Serial-over-LAN 封装协议。它通过将 ICS 协议数据封装在基于 TCP 的协议中，为网络上任何地方的串行设备提供虚拟连接。 Digi RealPort 4.8.488.0之前版本存在访问控制错误漏洞，该漏洞源于软件的 encrypted 模式容易受到中间人攻击，而且不进行身份验证。

AI Predicted 7.5 Difficulty: Easy EPSS 0.89% · P60

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2021-35979

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Digi RealPort through 4.8.488.0. The 'encrypted' mode is vulnerable to man-in-the-middle attacks and does not perform authentication.
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
Digi RealPort 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Digi RealPort是一种专有的 Serial-over-LAN 封装协议。它通过将 ICS 协议数据封装在基于 TCP 的协议中，为网络上任何地方的串行设备提供虚拟连接。 Digi RealPort 4.8.488.0之前版本存在访问控制错误漏洞，该漏洞源于软件的 encrypted 模式容易受到中间人攻击，而且不进行身份验证。
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-2021-35979

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-35979

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Other References for CVE-2021-35979 (1)

Same Patch Batch · n/a · 2021-10-08 · 17 CVEs total

CVE-2021-41802 2.9 LOW Hashicorp HashiCorp Vault 安全漏洞
CVE-2021-42112 LimeSurvey 跨站脚本漏洞
CVE-2020-22617 Ardour 资源管理错误漏洞
CVE-2021-42109 VITEC Exterity IPTV 安全漏洞
CVE-2021-32029 PostgreSQL 缓冲区错误漏洞
CVE-2021-20600 Mitsubishi Electric MELSEC iQ-R series 资源管理错误漏洞
CVE-2021-41920 webTareas SQL注入漏洞
CVE-2021-41919 webTareas 代码问题漏洞
CVE-2021-41918 webTareas 跨站脚本漏洞
CVE-2021-41917 webTareas 跨站脚本漏洞
CVE-2021-41916 webTareas 跨站请求伪造漏洞
CVE-2021-41825 Verint Systems Verint Workforce Optimization 跨站脚本漏洞
CVE-2021-3312 Alkacon OpenCms 代码问题漏洞
CVE-2021-36767 Digi RealPort 安全漏洞
CVE-2021-35977 Digi RealPort 安全漏洞
CVE-2021-41947 Subrion CMS SQL注入漏洞

IV. Related Vulnerabilities

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