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CVE-2021-39056

Quick assessment

Affected
IBM i
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 i是美国IBM公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.1、7.2、7.3和7.4扩展动态远程SQL server (EDRSQL)存在安全漏洞，该漏洞允许远程认证的用户发送专门设计的请求。攻击者可利用该漏洞导致拒绝服务。

AI Predicted 5.0 Difficulty: Moderate EPSS 1.31% · P69

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-39056

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The IBM i 7.1, 7.2, 7.3, and 7.4 Extended Dynamic Remote SQL server (EDRSQL) could allow a remote authenticated user to send a specially crafted request and cause a denial of service. IBM X-Force ID: 214537.
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 i 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM i是美国IBM公司的一套运行在IBM Power Systems和IBM PureSystems中的操作系统。 IBM i 7.1、7.2、7.3和7.4扩展动态远程SQL server (EDRSQL)存在安全漏洞，该漏洞允许远程认证的用户发送专门设计的请求。攻击者可利用该漏洞导致拒绝服务。
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 i 7.1 -

II. Public POCs for CVE-2021-39056

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III. Intelligence Information for CVE-2021-39056

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Vendor Advisories for CVE-2021-39056 (2)

IV. Related Vulnerabilities

Same product: i
Same vendor: IBM

V. Comments for CVE-2021-39056

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