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CVE-2021-20517

Quick assessment

Affected
IBM WebSphere Application Server ND
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 ND 存在路径遍历漏洞，攻击者可利用该漏洞遍历目录，以便读取服务根路径之外的文件。

AI Predicted 7.5 Difficulty: Trivial EPSS 1.86% · P77

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2021-20517

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.
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和WebSphere Application 路径遍历漏洞
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 ND 存在路径遍历漏洞，攻击者可利用该漏洞遍历目录，以便读取服务根路径之外的文件。
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 ND 8.5 -

II. Public POCs for CVE-2021-20517

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III. Intelligence Information for CVE-2021-20517

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Vendor Advisories for CVE-2021-20517 (2)

IV. Related Vulnerabilities

Same vendor: IBM

V. Comments for CVE-2021-20517

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