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CVE-2021-39002

Quick assessment

Affected
IBM DB2 for Linux, UNIX and Windows
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 DB2是美国IBM公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2 for Linux存在安全漏洞，该漏洞源于IBM DB2 for Linux、UNIX和Windows(包括DB2 Connect Server)使用的加密算法比预期的要弱，可能允许攻击者可利用该漏洞解密高度敏感的信息。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.89% · P57

Possible ATT&CK Techniques 1 AI

T1535 · Unused/Unsupported Cloud Regions
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I. Basic Information for CVE-2021-39002

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.
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 DB2 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM DB2是美国IBM公司的一套关系型数据库管理系统。该系统的执行环境主要有UNIX、Linux、IBMi、z/OS以及Windows服务器版本。 IBM DB2 for Linux存在安全漏洞，该漏洞源于IBM DB2 for Linux、UNIX和Windows(包括DB2 Connect Server)使用的加密算法比预期的要弱，可能允许攻击者可利用该漏洞解密高度敏感的信息。
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 DB2 for Linux, UNIX and Windows 10.5 -

II. Public POCs for CVE-2021-39002

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III. Intelligence Information for CVE-2021-39002

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Vendor Advisories for CVE-2021-39002 (3)

Same Patch Batch · IBM · 2021-12-09 · 6 CVEs total

CVE-2021-38951 IBM WebSphere Application Server 资源管理错误漏洞
CVE-2021-38931 IBM DB2 授权问题漏洞
CVE-2021-38926 IBM DB2 权限许可和访问控制问题漏洞
CVE-2021-29678 IBM Db2 安全漏洞
CVE-2021-20373 IBM DB2 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: DB2 for Linux, UNIX and Windows
Same vendor: IBM

V. Comments for CVE-2021-39002

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