CVE-2021-21589
Quick assessment
Affected
Dell Unity
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 Dell EMC Unity和UnityVSA都是美国戴尔（DELL）公司的产品。Dell EMC Unity是一款统一存储阵列产品。UnityVSA是一套虚拟Unity存储环境。 Dell EMC Unity、Unity XT和UnityVSA 存在安全漏洞，该漏洞源于Dell EMC Unity、Unity XT和UnityVSA 5.1.0.0.5.394之前的版本在初始化失败时不退出。攻击者可利用该漏洞来升级权限。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-21589
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 do not exit on failed Initialization. A local authenticated Service user could potentially exploit this vulnerability to escalate privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
DELL Dell EMC Unity和UnityVSA 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL Dell EMC Unity和UnityVSA都是美国戴尔（DELL）公司的产品。Dell EMC Unity是一款统一存储阵列产品。UnityVSA是一套虚拟Unity存储环境。 Dell EMC Unity、Unity XT和UnityVSA 存在安全漏洞，该漏洞源于Dell EMC Unity、Unity XT和UnityVSA 5.1.0.0.5.394之前的版本在初始化失败时不退出。攻击者可利用该漏洞来升级权限。
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
II. Public POCs for CVE-2021-21589
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-21589 (1)
-
https://www.dell.com/support/kbdoc/000189204 x_refsource_MISC
Same Patch Batch · Dell · 2021-07-12 · 4 CVEs total
| CVE-2021-21588 | 6.5 MEDIUM | Dell EMC PowerFlex数据伪造问题漏洞 |
| CVE-2021-21591 | 6.4 MEDIUM | DELL Dell EMC Unity和UnityVSA 信息泄露漏洞 |
| CVE-2021-21590 | 6.4 MEDIUM | DELL Dell EMC Unity和UnityVSA 信息泄露漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21589
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