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CVE-2023-4299— Digi RealPort Protocol Use of Password Hash Instead of Password for Authentication

Quick assessment

Affected
Digi International Digi RealPort
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 Protocol存在安全漏洞，该漏洞源于容易受到重放攻击，攻击者利用该漏洞可能会绕过身份验证来访问连接的设备。

CVSS 9.0 · Critical EPSS 0.68% · P51

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-4299

Vulnerability Information
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Vulnerability Title
Digi RealPort Protocol Use of Password Hash Instead of Password for Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在认证机制中使用口令哈希代替口令
Source: CVE Program / CVE List V5
Vulnerability Title
Digi RealPort 安全漏洞
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 Protocol存在安全漏洞，该漏洞源于容易受到重放攻击，攻击者利用该漏洞可能会绕过身份验证来访问连接的设备。
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
Digi International Digi RealPort 0 ~ 4.8.488.0 -
Digi International Digi RealPort 0 ~ 1.9-40 -
Digi International Digi ConnectPort TS 8/16 0 ~ 2.26.2.4 -
Digi International Digi Passport Console Server all versions -
Digi International Digi ConnectPort LTS 8/16/32 0 ~ 1.4.9 -
Digi International Digi CM Console Server all versions -
Digi International Digi PortServer TS all versions -
Digi International Digi PortServer TS MEI all versions -
Digi International Digi PortServer TS MEI Hardened all versions -
Digi International Digi PortServer TS M MEI all versions -
Digi International Digi PortServer TS P MEI all versions -
Digi International Digi One IAP Family all versions -
Digi International Digi One IA all versions -
Digi International Digi One SP IA all versions -
Digi International ​Digi One SP all versions -
Digi International Digi WR31 all versions -
Digi International Digi WR11 XT all versions -
Digi International Digi WR44 R all versions -
Digi International Digi WR21 all versions -
Digi International Digi Connect ES 0 ~ 2.26.2.4 -
Digi International Digi Connect SP all versions -
Digi International Digi 6350-SR - -
Digi International Digi ConnectCore 8X products - -

II. Public POCs for CVE-2023-4299

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III. Intelligence Information for CVE-2023-4299

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Vendor Advisories for CVE-2023-4299 (1)

Other References for CVE-2023-4299 (1)

IV. Related Vulnerabilities

Same weakness: CWE-836

V. Comments for CVE-2023-4299

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