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I. Basic Information for CVE-2021-28543
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Varnish varnish-modules before 0.17.1 allows remote attackers to cause a denial of service (daemon restart) in some configurations. This does not affect organizations that only install the Varnish Cache product; however, it is common to install both Varnish Cache and varnish-modules. Specifically, an assertion failure or NULL pointer dereference can be triggered in Varnish Cache through the varnish-modules header.append() and header.copy() functions. For some Varnish Configuration Language (VCL) files, this gives remote clients an opportunity to cause a Varnish Cache restart. A restart reduces overall availability and performance due to an increased number of cache misses, and may cause higher load on backend servers.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Martin Blix Grydeland varnish-modules 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Martin Blix Grydeland varnish-modules是 (Martin Blix Grydeland)开源的一个应用软件。用于描述具有其他功能的HTTP请求/响应策略。 varnish-modules 存在安全漏洞,该漏洞允许远程攻击者在某些配置中导致拒绝服务(守护进程重启)。
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-2021-28543
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III. Intelligence Information for CVE-2021-28543
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IV. Related Vulnerabilities
V. Comments for CVE-2021-28543

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