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CVE-2021-3859

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 中存在资源管理错误漏洞，该漏洞源于产品通过HTTP2进行的某些调用触发了客户端调用超时。该漏洞允许攻击者可利用该漏洞进行拒绝服务攻击。

AI Predicted 5.3 Difficulty: Moderate EPSS 1.64% · P75

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-3859

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
通过处理环境导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Undertow 资源管理错误漏洞
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 中存在资源管理错误漏洞，该漏洞源于产品通过HTTP2进行的某些调用触发了客户端调用超时。该漏洞允许攻击者可利用该漏洞进行拒绝服务攻击。
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
- undertow Fixed in 2.2.15.Final -

II. Public POCs for CVE-2021-3859

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III. Intelligence Information for CVE-2021-3859

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Patches & Fixes for CVE-2021-3859 (2)

Vendor Advisories for CVE-2021-3859 (3)

Other References for CVE-2021-3859 (1)

Same Patch Batch · n/a · 2022-08-26 · 53 CVEs total

CVE-2021-4216 Artifex Software MuPDF 数字错误漏洞
CVE-2022-36548 Edoc-doctor-appointment-system 跨站脚本漏洞
CVE-2022-36547 Edoc-doctor-appointment-system 跨站脚本漏洞
CVE-2022-36542 Edoc-doctor-appointment-system 安全漏洞
CVE-2022-36545 Edoc-doctor-appointment-system SQL注入漏洞
CVE-2022-36544 Edoc-doctor-appointment-system SQL注入漏洞
CVE-2022-36543 Edoc-doctor-appointment-system SQL注入漏洞
CVE-2022-36546 Edoc-doctor-appointment-system 跨站请求伪造漏洞
CVE-2022-0084 Red Hat Data Grid 安全漏洞
CVE-2022-25625 Broadcom Symantec Privileged Access Management 安全漏洞
CVE-2022-0168 Linux kernel 代码问题漏洞
CVE-2021-3414 Red Hat Satellite 安全漏洞
CVE-2021-3632 Red Hat Single Sign-On 授权问题漏洞
CVE-2021-3585 openstack-tripleo-heat-templates 安全漏洞
CVE-2021-3563 Red Hat OpenStack Platform 安全漏洞
CVE-2021-3754 Red Hat Keycloak 安全漏洞
CVE-2021-3735 QEMU 安全漏洞
CVE-2021-3703 Red Hat OpenShift 安全漏洞
CVE-2021-3688 Red Hat JBoss Core Services 信息泄露漏洞
CVE-2021-3669 Linux kernel资源管理错误漏洞

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: undertow
Same vendor: n/a
Same weakness: CWE-214

V. Comments for CVE-2021-3859

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