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CVE-2021-38412— Digi PortServer TS 16 Improper Authentication

Quick assessment

Affected
Digi International PortServer TS 16
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 PortServer TS是马来西亚数码网络（Digi）公司的用于轻松的串行到以太网连接。 Digi PortServer TS 16存在访问控制错误漏洞，该漏洞源于软件的HTTP和HTTPS web服务器上的多个资源正确格式化的POST请求不需要认证或认证令牌。此漏洞允许攻击者可利用该漏洞启用SNMP服务并操纵社区字符串以实现进一步控制。

CVSS 9.6 · Critical EPSS 1.34% · P69
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I. Basic Information for CVE-2021-38412

Vulnerability Information
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Vulnerability Title
Digi PortServer TS 16 Improper Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
Properly formatted POST requests to multiple resources on the HTTP and HTTPS web servers of the Digi PortServer TS 16 Rack device do not require authentication or authentication tokens. This vulnerability could allow an attacker to enable the SNMP service and manipulate the community strings to achieve further control in.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Digi PortServer TS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Digi PortServer TS是马来西亚数码网络（Digi）公司的用于轻松的串行到以太网连接。 Digi PortServer TS 16存在访问控制错误漏洞，该漏洞源于软件的HTTP和HTTPS web服务器上的多个资源正确格式化的POST请求不需要认证或认证令牌。此漏洞允许攻击者可利用该漏洞启用SNMP服务并操纵社区字符串以实现进一步控制。
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 PortServer TS 16 Firmware ~ 82000684 -

II. Public POCs for CVE-2021-38412

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III. Intelligence Information for CVE-2021-38412

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Vendor Advisories for CVE-2021-38412 (1)

IV. Related Vulnerabilities

Same vendor: Digi International
Same weakness: CWE-287

V. Comments for CVE-2021-38412

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