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I. Basic Information for CVE-2020-7693
Vulnerability Information
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Vulnerability Title
Denial of Service (DoS)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Incorrect handling of Upgrade header with the value websocket leads in crashing of containers hosting sockjs apps. This affects the package sockjs before 0.3.20.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SockJS 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SockJS是一款浏览器JavaScript库。 SockJS 0.3.20之前版本中存在安全漏洞，该漏洞源于程序没有正确处理Upgrade标头。攻击者可利用该漏洞导致托管sockjs应用程序的容器崩溃。
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
-sockjs unspecified ~ 0.3.20 -
II. Public POCs for CVE-2020-7693
#POC DescriptionSource LinkShenlong Link
1CVE-2020-7693: SockJS 0.3.19 Denial of Service POChttps://github.com/andsnw/sockjs-dos-pyPOC Details
2POC For CVE-2020-7693 (Testing on Version sockjs@0.3.18)https://github.com/thewindghost/CVE-2020-7693POC Details
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III. Intelligence Information for CVE-2020-7693
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IV. Related Vulnerabilities
Same vendor: n/a
V. Comments for CVE-2020-7693
Anonymous User
2026-01-15 06:09:34

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