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CVE-2021-20391

Quick assessment

Affected
IBM QRadar SIEM
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 QRadar SIEM是美国IBM公司的一套利用安全智能保护资产和信息远离高级威胁的解决方案。该方案提供对整个IT架构范围进行监督、生成详细的数据访问和用户活动报告等功能。 IBM QRadar SIEM 存在安全漏洞。该漏洞源于程序允许将网页存储在本地，系统上的另一个用户可以读取该网页。

AI Predicted 4.3 Difficulty: Easy EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-20391

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 195999.
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 QRadar SIEM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM QRadar SIEM是美国IBM公司的一套利用安全智能保护资产和信息远离高级威胁的解决方案。该方案提供对整个IT架构范围进行监督、生成详细的数据访问和用户活动报告等功能。 IBM QRadar SIEM 存在安全漏洞。该漏洞源于程序允许将网页存储在本地，系统上的另一个用户可以读取该网页。
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 QRadar SIEM 1.0.0 -

II. Public POCs for CVE-2021-20391

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III. Intelligence Information for CVE-2021-20391

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Vendor Advisories for CVE-2021-20391 (2)

Same Patch Batch · IBM · 2021-05-14 · 8 CVEs total

CVE-2021-20565 IBM Cloud Pak for Security 输入验证错误漏洞
CVE-2021-20564 IBM Cloud Pak for Security 信息泄露漏洞
CVE-2021-20393 IBM QRadar SIEM 安全漏洞
CVE-2021-20429 IBM QRadar User Behavior Analytics 安全漏洞
CVE-2021-20392 IBM QRadar SIEM 跨站脚本漏洞
CVE-2020-4985 IBM Planning Analytics 信息泄露漏洞
CVE-2020-4811 IBM Cloud Pak for Security 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: QRadar SIEM
Same vendor: IBM

V. Comments for CVE-2021-20391

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