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CVE-2021-42144

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-NG是一套用于下一代IoT（物联网）设备的开源跨平台操作系统。 Contiki-NG tinyDTLS 2018-08-30 版本及之前版本存在安全漏洞，该漏洞源于 dtls_ccm_decrypt_message() 中对过大数据包的错误处理会导致缓冲区过度读取，从而可能暴露敏感信息。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-42144

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer over-read vulnerability in Contiki-NG tinyDTLS through master branch 53a0d97 allows attackers obtain sensitive information via crafted input to dtls_ccm_decrypt_message().
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-NG 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contiki-NG是一套用于下一代IoT（物联网）设备的开源跨平台操作系统。 Contiki-NG tinyDTLS 2018-08-30 版本及之前版本存在安全漏洞，该漏洞源于 dtls_ccm_decrypt_message() 中对过大数据包的错误处理会导致缓冲区过度读取，从而可能暴露敏感信息。
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-2021-42144

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III. Intelligence Information for CVE-2021-42144

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Mailing List Discussions for CVE-2021-42144 (1)

Same Patch Batch · n/a · 2024-01-24 · 36 CVEs total

CVE-2023-52039 TOTOLINK X6000R 安全漏洞
CVE-2021-42143 Contiki-NG 安全漏洞
CVE-2023-51885 Mathtex 安全漏洞
CVE-2023-51886 Mathtex 安全漏洞
CVE-2023-51887 Mathtex 安全漏洞
CVE-2023-51888 Mathtex 安全漏洞
CVE-2023-51889 Mathtex 安全漏洞
CVE-2023-51890 Mathtex 安全漏洞
CVE-2023-52038 TOTOLINK X6000R 安全漏洞
CVE-2024-22725 Orthanc 安全漏洞
CVE-2023-52040 TOTOLINK X6000R 安全漏洞
CVE-2024-22720 Kanboard 安全漏洞
CVE-2021-42145 Contiki-NG 安全漏洞
CVE-2021-42147 Contiki-NG 安全漏洞
CVE-2021-42146 Contiki-NG 安全漏洞
CVE-2021-43584 Nagios 跨站脚本漏洞
CVE-2023-24676 ProcessWire 安全漏洞
CVE-2024-22751 D-Link DIR-882 安全漏洞
CVE-2023-43995 Line 安全漏洞
CVE-2023-51711 REGIFY Regipay 安全漏洞

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-42144

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