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CVE-2020-25689

Quick assessment

Affected
Red Hat wildfly-core
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 Wildfly是美国红帽（Red Hat）公司的一款基于JavaEE的轻量级开源应用服务器。 WildFly 21.0.0及之前版本存在资源管理错误漏洞，该漏洞使攻击者可以引起内存不足问题，从而导致拒绝服务。

CVSS 5.3 · Medium EPSS 1.49% · P74

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-25689

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Wildfly 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Wildfly是美国红帽（Red Hat）公司的一款基于JavaEE的轻量级开源应用服务器。 WildFly 21.0.0及之前版本存在资源管理错误漏洞，该漏洞使攻击者可以引起内存不足问题，从而导致拒绝服务。
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
Red Hat wildfly-core up to 21.0.0.Final -

II. Public POCs for CVE-2020-25689

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III. Intelligence Information for CVE-2020-25689

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Vendor Advisories for CVE-2020-25689 (2)

IV. Related Vulnerabilities

Same product: wildfly-core
Same vendor: Red Hat
Same weakness: CWE-401