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CVE-2021-21563

Quick assessment

Affected
Dell PowerScale OneFS
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.

DELL EMC PowerScale是美国戴尔（DELL）公司的一套适用于非结构化数据的横向扩展存储系统。 Dell EMC PowerScale OneFS 版本 8.1.2-9.1.0.x 在其审计组件中存在代码问题漏洞，该漏洞源于对异常或异常情况的不当检查。这可能导致具有低权限的经过身份验证的用户触发拒绝服务事件。

CVSS 6.5 · Medium EPSS 0.83% · P56

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-21563

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC PowerScale OneFS versions 8.1.2-9.1.0.x contain an Improper Check for Unusual or Exceptional Conditions in its auditing component.This can lead to an authenticated user with low-privileges to trigger a denial of service event.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
DELL EMC PowerScale 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL EMC PowerScale是美国戴尔（DELL）公司的一套适用于非结构化数据的横向扩展存储系统。 Dell EMC PowerScale OneFS 版本 8.1.2-9.1.0.x 在其审计组件中存在代码问题漏洞，该漏洞源于对异常或异常情况的不当检查。这可能导致具有低权限的经过身份验证的用户触发拒绝服务事件。
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
Dell PowerScale OneFS 8.1.2-9.1.0.x -

II. Public POCs for CVE-2021-21563

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III. Intelligence Information for CVE-2021-21563

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Other References for CVE-2021-21563 (1)

Same Patch Batch · Dell · 2021-08-02 · 4 CVEs total

CVE-2021-21553 7.3 HIGH Dell Technologies Dell PowerScale OneFS 安全漏洞
CVE-2021-21565 5.3 MEDIUM Dell Technologies Dell PowerScale OneFS 资源管理错误漏洞
CVE-2021-21562 4.4 MEDIUM Dell Technologies Dell PowerScale OneFS代码问题漏洞

IV. Related Vulnerabilities

Same product: PowerScale OneFS
Same vendor: Dell
Same weakness: CWE-754

V. Comments for CVE-2021-21563

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