CVE-2020-27782
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I. Basic Information for CVE-2020-27782
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the Undertow AJP connector. Malicious requests and abrupt connection closes could be triggered by an attacker using query strings with non-RFC compliant characters resulting in a denial of service. The highest threat from this vulnerability is to system availability. This affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
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 存在资源管理错误漏洞，攻击者可利用该漏洞通过特殊字符查询触发致命错误，以触发拒绝服务。以下产品和版本受到影响：affects Undertow 2.1.5.SP1, 2.0.33.SP2, and 2.2.3.SP1.
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 | 2.1.5.SP1 | - |
II. Public POCs for CVE-2020-27782
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=1901304x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-27782
Same Patch Batch · n/a · 2021-02-23 · 56 CVEs total
| CVE-2020-28429 | 7.3 HIGH | Command Injection |
| CVE-2020-28587 | SoftMaker Office PlanMaker 缓冲区错误漏洞 | |
| 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-2020-8297 | Nextcloud Deck 安全漏洞 | |
| CVE-2021-22882 | UniFi Protect 资源管理错误漏洞 | |
| CVE-2021-22112 | Vmware VMware Spring Security 权限许可和访问控制问题漏洞 | |
| 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 | |
| CVE-2021-26926 | JasPer 缓冲区错误漏洞 |
Showing top 20 of 56 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
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Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
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Same weakness: CWE-400
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Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
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Cisco Crosswork Network Controller and Cisco Network Service
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