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CVE-2021-20492

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 Java Batch 中存在代码问题漏洞，该漏洞源于在处理XML数据时允许XML外部实体注入。远程攻击者可利用该漏洞可以利用该漏洞暴露敏感信息或消耗内存资源。

AI Predicted 7.5 Difficulty: Easy EPSS 2.07% · P80
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I. Basic Information for CVE-2021-20492

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch is vulnerable to an 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: 197793.
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 Java Batch 中存在代码问题漏洞，该漏洞源于在处理XML数据时允许XML外部实体注入。远程攻击者可利用该漏洞可以利用该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 8.0 -

II. Public POCs for CVE-2021-20492

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III. Intelligence Information for CVE-2021-20492

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Vendor Advisories for CVE-2021-20492 (2)

Same Patch Batch · IBM · 2021-05-26 · 4 CVEs total

CVE-2019-4588 IBM DB2 代码问题漏洞
CVE-2021-20486 IBM Cloud Pak for Data 信息泄露漏洞
CVE-2021-20487 IBM Power9 Self Boot Engine(SBE) 数据伪造问题漏洞

IV. Related Vulnerabilities

Same product: WebSphere Application Server
Same vendor: IBM

V. Comments for CVE-2021-20492

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