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CVE-2021-20455— IBM Cognos Controller information disclosure

Quick assessment

Affected
IBM Controller
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和IBM Controller都是美国国际商业机器（IBM）公司的产品。IBM Cognos Controller是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 Controller是一个基于 Web 的财务合并工具。 IBM Cognos Controller 11.0.0版本至11.0.1版本和IBM Controller 11.1.0版本存在安全漏洞，该漏洞源于允许远程攻击者在浏览器中返回详细的技术错误消息

CVSS 3.7 · Low EPSS 0.48% · P40

Possible ATT&CK Techniques 1 AI

T1592.001 · Hardware
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I. Basic Information for CVE-2021-20455

Vulnerability Information
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Vulnerability Title
IBM Cognos Controller information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过错误消息导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
IBM Cognos Controller和IBM Controller 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM Cognos Controller和IBM Controller都是美国国际商业机器（IBM）公司的产品。IBM Cognos Controller是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 Controller是一个基于 Web 的财务合并工具。 IBM Cognos Controller 11.0.0版本至11.0.1版本和IBM Controller 11.1.0版本存在安全漏洞，该漏洞源于允许远程攻击者在浏览器中返回详细的技术错误消息
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 Controller 11.1.0 cpe:2.3:a:ibm:controller:11.1.0:*:*:*:*:*:*:*
IBM Cognos Controller 11.0.0 ~ 11.0.1 cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2021-20455

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III. Intelligence Information for CVE-2021-20455

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Vendor Advisories for CVE-2021-20455 (1)

Same Patch Batch · IBM · 2025-01-07 · 11 CVEs total

CVE-2024-40702 8.2 HIGH IBM Cognos Controller improper certificate validation
CVE-2024-28778 6.5 MEDIUM IBM Cognos Controller information disclosure
CVE-2024-52366 5.9 MEDIUM IBM Concert Software information disclosure
CVE-2024-52891 5.4 MEDIUM IBM Concert Software log manipulation
CVE-2024-52367 5.3 MEDIUM IBM Concert Software information disclosure
CVE-2024-52893 5.3 MEDIUM IBM Concert Software information disclosure
CVE-2024-45640 5.3 MEDIUM IBM Security QRadar EDR information disclosure
CVE-2024-45100 4.9 MEDIUM IBM Security QRadar EDR denial of service
CVE-2024-25037 4.3 MEDIUM IBM Cognos Controller information disclosure
CVE-2022-22363 4.3 MEDIUM IBM Cognos Controller information disclosure

IV. Related Vulnerabilities

Same product: Controller
Same vendor: IBM
Same weakness: CWE-209

V. Comments for CVE-2021-20455

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