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I. Basic Information for CVE-2021-38311
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. When the negotiated options are already disabled, servers still respond to DONT and WONT requests with WONT or DONT commands, which may lead to infinite acknowledgment loops, denial of service, and excessive CPU consumption.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Contiki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contiki是一套用于IoT(物联网)设备的开源跨平台操作系统。 Contiki 3.0版本存在安全漏洞,该漏洞源于Contiki使用的Telnet服务中存在潜在的非终止确认循环。当协商选项已被禁用时,服务器仍会使用WONT或DONT命令响应DONT和WONT请求,这可能会导致无限的确认循环、拒绝服务和过度的CPU消耗
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
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-38311
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III. Intelligence Information for CVE-2021-38311
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IV. Related Vulnerabilities
V. Comments for CVE-2021-38311

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