CVE-2021-38311
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.
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
Possible ATT&CK Techniques 1 AI
T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2021-38311
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: 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
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-38311
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-38311 (1)
-
https://github.com/contiki-os/contiki/issues/2685 x_refsource_MISC
Same Patch Batch · n/a · 2021-08-09 · 24 CVEs total
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| CVE-2020-23151 | rConfig 操作系统命令注入漏洞 | |
| CVE-2020-23150 | rConfig SQL注入漏洞 | |
| CVE-2020-23149 | rConfig SQL注入漏洞 | |
| CVE-2020-23148 | rConfig 注入漏洞 | |
| CVE-2020-24742 | Qt QLibrary 安全漏洞 | |
| CVE-2021-38305 | 23andMe Yamale 代码问题漏洞 | |
| CVE-2018-17861 | SAP J2EE Engine 跨站脚本漏洞 | |
| CVE-2018-17865 | SAP J2EE Engine 跨站脚本漏洞 | |
| CVE-2018-17862 | SAP J2EE Engine 跨站脚本漏洞 | |
| CVE-2014-9320 | SAP BusinessObjects Edge 授权问题漏洞 | |
| CVE-2015-7731 | SAP Mobile 信息泄露漏洞 | |
| CVE-2021-38290 | FUEL CMS 注入漏洞 | |
| CVE-2015-2073 | SAP BusinessObjects Edge 路径遍历漏洞 | |
| CVE-2013-4718 | OTRS Open Ticket Request System 跨站脚本漏洞 | |
| CVE-2013-4717 | OTRS Open Ticket Request System SQL注入漏洞 | |
| CVE-2013-6276 | Qnap Systems VioGate 信任管理问题漏洞 | |
| CVE-2021-21740 | ZTE ZXHN H2640 后置链接漏洞 | |
| CVE-2021-33256 | zoho ManageEngine ADSelfService Plus 安全漏洞 | |
| CVE-2021-37573 | TTiny Java Web Server 跨站脚本漏洞 |
Showing top 20 of 24 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-38311
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