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CVE-2021-20454

Quick assessment

Affected
IBM WebSphere Application Server
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.

IBM WebSphere Application Server（WAS）是美国IBM公司的一款应用服务器产品。该产品是JavaEE和Web服务应用程序的平台，也是IBMWebSphere软件平台的基础。 IBM WebSphere Application Server 存在代码问题漏洞，远程攻击者可利用该漏洞可以利用此漏洞暴露敏感信息或消耗内存资源。

AI Predicted 7.5 Difficulty: Easy EPSS 2.91% · P86

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2021-20454

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 196649.
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
IBM WebSphere Application Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM WebSphere Application Server（WAS）是美国IBM公司的一款应用服务器产品。该产品是JavaEE和Web服务应用程序的平台，也是IBMWebSphere软件平台的基础。 IBM WebSphere Application Server 存在代码问题漏洞，远程攻击者可利用该漏洞可以利用此漏洞暴露敏感信息或消耗内存资源。
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
IBM WebSphere Application Server 7.0 -

II. Public POCs for CVE-2021-20454

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III. Intelligence Information for CVE-2021-20454

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Vendor Advisories for CVE-2021-20454 (2)

IV. Related Vulnerabilities

Same product: WebSphere Application Server
Same vendor: IBM

V. Comments for CVE-2021-20454

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