CVE-2021-20217
Quick assessment
Affected
n/a privoxy
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.
Privoxy是美国Privoxy团队的一款不进行网页缓存且自带过滤功能的代理服务器。它具有高级过滤功能，可增强隐私，修改网页数据和HTTP标头，控制访问以及删除广告和其他令人讨厌的Internet垃圾。Privoxy具有灵活的配置，可以根据个人需要进行定制。它适用于独立系统和多用户网络。 Privoxy 存在安全漏洞，攻击者可利用该漏洞发送CGI请求触发断言。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-20217
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Privoxy in versions before 3.0.31. An assertion failure triggered by a crafted CGI request may lead to denial of service. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
Privoxy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Privoxy是美国Privoxy团队的一款不进行网页缓存且自带过滤功能的代理服务器。它具有高级过滤功能，可增强隐私，修改网页数据和HTTP标头，控制访问以及删除广告和其他令人讨厌的Internet垃圾。Privoxy具有灵活的配置，可以根据个人需要进行定制。它适用于独立系统和多用户网络。 Privoxy 存在安全漏洞，攻击者可利用该漏洞发送CGI请求触发断言。
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 |
|---|---|---|---|---|
| - | privoxy | privoxy 3.0.31 | - |
|
II. Public POCs for CVE-2021-20217
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-20217 (2)
-
https://bugzilla.redhat.com/show_bug.cgi?id=1923252 x_refsource_MISC
-
Same Patch Batch · n/a · 2021-03-25 · 43 CVEs total
| CVE-2021-3443 | JasPer 代码问题漏洞 | |
| CVE-2021-20214 | Privoxy 安全漏洞 | |
| CVE-2021-27193 | Netop Vision 访问控制错误漏洞 | |
| CVE-2021-27194 | Netop Vision 安全漏洞 | |
| CVE-2021-27192 | Netop Vision 安全漏洞 | |
| CVE-2021-22496 | Micro Focus Access Manager Appliance 授权问题漏洞 | |
| CVE-2021-29156 | Forgerock ForgeRock OpenAM 注入漏洞 | |
| CVE-2021-26715 | Michael Stepankin OpenID-Connect-Java-Spring-Server 代码问题漏洞 | |
| CVE-2021-3466 | libmicrohttpd 缓冲区错误漏洞 | |
| CVE-2021-22659 | Rockwell Automation MicroLogix 1400 安全漏洞 | |
| CVE-2021-27195 | Netop Vision 安全漏洞 | |
| CVE-2021-3446 | Arch Linux libtpms 安全特征问题漏洞 | |
| CVE-2021-3467 | JasPer 代码问题漏洞 | |
| CVE-2021-26597 | NOKIA NetAct 18A 代码问题漏洞 | |
| CVE-2021-26596 | NOKIA NetAct 18A 跨站脚本漏洞 | |
| CVE-2020-35502 | Privoxy 安全漏洞 | |
| CVE-2021-20210 | Privoxy 安全漏洞 | |
| CVE-2021-20211 | Privoxy 安全漏洞 | |
| CVE-2021-20212 | Privoxy 安全漏洞 | |
| CVE-2021-20213 | Privoxy 代码问题漏洞 |
Showing top 20 of 43 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-20217
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