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I. Basic Information for CVE-2020-27222
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Eclipse Californium version 2.3.0 to 2.6.0, the certificate based (x509 and RPK) DTLS handshakes accidentally fails, because the DTLS server side sticks to a wrong internal state. That wrong internal state is set by a previous certificate based DTLS handshake failure with TLS parameter mismatch. The DTLS server side must be restarted to recover this. This allow clients to force a DoS.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不完整的内部状态区分
Source: NVD (National Vulnerability Database)
Vulnerability Title
Eclipse Californium 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Californium是Eclipse基金会的一款基于Java的为物联网提供Coap后端支持的代码库。 Eclipse Californium version 2.3.0 to 2.6.0 存在安全漏洞,该漏洞源于DTLS服务器端坚持错误的内部状态。
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
The Eclipse FoundationEclipse Californium [2.3.0, 2.6.0] -
II. Public POCs for CVE-2020-27222
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III. Intelligence Information for CVE-2020-27222
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IV. Related Vulnerabilities
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