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CVE-2020-4821

Quick assessment

Affected
IBM InfoSphere Change Data Capture for z/OS
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 Cognos Controller是美国IBM公司的一套商业智能与计划解决方案。该产品具有流程自动化、财务审计控制、创建和管理财务报告等功能。 IBM Cognos Controller存在授权问题漏洞，该漏洞源于 IBM Cognos Controller 在某些配置下可能允许用户使用空密码字符串绕过身份验证机制。

AI Predicted 8.1 Difficulty: Moderate EPSS 2.00% · P80

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2020-4821

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM InfoSphere Data Replication 11.4 and IBM InfoSphere Change Data Capture for z/OS 10.2.1, under certain configurations, could allow a user to bypass authentication mechanisms using an empty password string. IBM X-Force ID: 189834
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 Cognos Controller 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Cognos Controller是美国IBM公司的一套商业智能与计划解决方案。该产品具有流程自动化、财务审计控制、创建和管理财务报告等功能。 IBM Cognos Controller存在授权问题漏洞，该漏洞源于 IBM Cognos Controller 在某些配置下可能允许用户使用空密码字符串绕过身份验证机制。
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 InfoSphere Change Data Capture for z/OS 10.2.1 -
IBM InfoSphere Data Replication 11.4 -

II. Public POCs for CVE-2020-4821

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III. Intelligence Information for CVE-2020-4821

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Vendor Advisories for CVE-2020-4821 (3)

Same Patch Batch · IBM · 2021-07-16 · 3 CVEs total

CVE-2020-4980 IBM QRadar SIEM 安全漏洞
CVE-2020-4675 IBM InfoSphere Master Data Management Server 跨站请求伪造漏洞

IV. Related Vulnerabilities

Same vendor: IBM

V. Comments for CVE-2020-4821

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