CVE-2021-41611
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.
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid存在信任管理问题漏洞，该漏洞源于不正确的证书验证。攻击者可利用该漏洞对代理服务器用户执行命令攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-41611
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
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
Squid 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Squid是一套代理服务器和Web缓存服务器软件。该软件提供缓存万维网、过滤流量、代理上网等功能。 Squid存在信任管理问题漏洞，该漏洞源于不正确的证书验证。攻击者可利用该漏洞对代理服务器用户执行命令攻击。
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-2021-41611
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-41611 (1)
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https://github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5r x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-41611 (2)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CWQ2WKDWTSO47S3F6XJJ6HGG2ULWEAE4/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2021-41611 (1)
Same Patch Batch · n/a · 2021-10-18 · 19 CVEs total
| CVE-2021-23449 | 9.8 CRITICAL | Sandbox Bypass |
| CVE-2020-8291 | Rocket.Chat 跨站脚本漏洞 | |
| CVE-2021-42650 | Portainer 跨站脚本漏洞 | |
| CVE-2021-42055 | ASUSTek ZenBook Pro Due 15 UX582 安全漏洞 | |
| CVE-2021-36513 | FreeSWITCH 安全漏洞 | |
| CVE-2021-42575 | Sanitize 输入验证错误漏洞 | |
| CVE-2021-42576 | David Kitchen bluemonday 安全漏洞 | |
| CVE-2021-41990 | strongSwan 输入验证错误漏洞 | |
| CVE-2021-41991 | strongSwan 输入验证错误漏洞 | |
| CVE-2021-22942 | Ruby on Rails 输入验证错误漏洞 | |
| CVE-2021-22961 | GlassWire 代码注入漏洞 | |
| CVE-2021-21797 | Nitro Software Nitro Pro 资源管理错误漏洞 | |
| CVE-2021-21796 | Nitro Software Nitro Pro 资源管理错误漏洞 | |
| CVE-2010-2496 | Pacemaker 授权问题漏洞 | |
| CVE-2021-38562 | Best Practical Request Tracker 信息泄露漏洞 | |
| CVE-2021-42565 | myfactory.FMS 跨站脚本漏洞 | |
| CVE-2021-42566 | myfactory.FMS 跨站脚本漏洞 | |
| CVE-2021-38297 | Google Go 缓冲区错误漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
-
CVE-2026-78187
Piwigo Public Authentication cross site scripting -
CVE-2026-78186
Open5GS HSS hss-cx-path.c assertion -
CVE-2026-78178
jQWidgets jqx-all.js jqxBaseFramework.extend prototype pollu -
CVE-2026-78158
Open5GS AMF UEContextReleaseRequest Path improper authorizat -
CVE-2026-78157
Open5GS Rx AA-Request pcrf-rx-path.c pcrf_rx_aar_cb out-of-b
V. Comments for CVE-2021-41611
No comments yet