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CVE-2021-20220

Quick assessment

Affected
n/a undertow
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.

Red Hat Undertow是美国红帽（Red Hat）公司的一款基于Java的嵌入式Web服务器，是Wildfly（Java应用服务器）默认的Web服务器。 Red Hat Undertow 存在环境问题漏洞。以下产品和版本受到影响：Undertow 2.2.0之前版本, Undertow 2.1.6之前版本, Undertow 2.0.34之前版本。

AI Predicted 7.5 Difficulty: Easy EPSS 1.20% · P67
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I. Basic Information for CVE-2021-20220

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Undertow 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Undertow是美国红帽（Red Hat）公司的一款基于Java的嵌入式Web服务器，是Wildfly（Java应用服务器）默认的Web服务器。 Red Hat Undertow 存在环境问题漏洞。以下产品和版本受到影响：Undertow 2.2.0之前版本, Undertow 2.1.6之前版本, Undertow 2.0.34之前版本。
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
- undertow Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.Final -

II. Public POCs for CVE-2021-20220

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III. Intelligence Information for CVE-2021-20220

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Vendor Advisories for CVE-2021-20220 (2)

Same Patch Batch · n/a · 2021-02-23 · 56 CVEs total

CVE-2020-28429 7.3 HIGH Command Injection
CVE-2021-22882 UniFi Protect 资源管理错误漏洞
CVE-2021-3405 Matroska libebml 缓冲区错误漏洞
CVE-2021-3410 libcaca 输入验证错误漏洞
CVE-2021-3407 artifex mupdf 资源管理错误漏洞
CVE-2021-20182 Red Hat openshift4/ose-docker-builder 安全漏洞
CVE-2021-20252 Red Hat scale API Management Platform 输入验证错误漏洞
CVE-2021-20247 Sourceforge mbsync 路径遍历漏洞
CVE-2020-27782 Red Hat Undertow 资源管理错误漏洞
CVE-2020-8297 Nextcloud Deck 安全漏洞
CVE-2021-22112 Vmware VMware Spring Security 权限许可和访问控制问题漏洞
CVE-2020-28587 SoftMaker Office PlanMaker 缓冲区错误漏洞
CVE-2020-7120 Aruba ClearPass Policy Manager 安全漏洞
CVE-2021-26677 Aruba ClearPass Policy Manager 安全漏洞
CVE-2021-26679 Aruba ClearPass Policy Manager 命令注入漏洞
CVE-2021-26680 Aruba ClearPass Policy Manager 命令注入漏洞
CVE-2021-27582 MITREid Connect 安全漏洞
CVE-2021-26678 Aruba ClearPass Policy Manager Prior 跨站脚本漏洞
CVE-2021-22651 Luxion KeyShot 路径遍历漏洞
CVE-2021-20198 Red Hat OpenShift Container Platform 访问控制错误漏洞

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: undertow
Same vendor: n/a
Same weakness: CWE-444

V. Comments for CVE-2021-20220

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