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CVE-2021-39041

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 7.3版本、7.4版本和7.5版本存在输入验证错误漏洞，该漏洞源于可能受到部分拒绝服务攻击的影响，导致一些协议无法监听指定的端口。IBM X-Force ID：214028。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.99% · P61

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-39041

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM QRadar SIEM 7.3, 7.4, and 7.5 may be vulnerable to partial denial of service attack, resulting in some protocols not listening to specified ports. IBM X-Force ID: 214028.
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 输入验证错误漏洞
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 7.3版本、7.4版本和7.5版本存在输入验证错误漏洞，该漏洞源于可能受到部分拒绝服务攻击的影响，导致一些协议无法监听指定的端口。IBM X-Force ID：214028。
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 7.3 -

II. Public POCs for CVE-2021-39041

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III. Intelligence Information for CVE-2021-39041

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Vendor Advisories for CVE-2021-39041 (2)

Same Patch Batch · IBM · 2022-07-12 · 3 CVEs total

CVE-2020-4159 IBM QRadar Network Security 信息泄露漏洞
CVE-2020-4157 IBM QRadar Network Security 信任管理问题漏洞

IV. Related Vulnerabilities

Same product: QRadar SIEM
Same vendor: IBM

V. Comments for CVE-2021-39041

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