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CVE-2021-21591

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、UnityVSA在5.1.0.0.5.394之前的版本存在明文密码存储漏洞。攻击者可利用该漏洞使用暴露的密码，以受威胁用户的特权获得访问权限。

CVSS 6.4 · Medium EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2021-21591

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 contain a plain-text password storage vulnerability. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
DELL Dell EMC Unity和UnityVSA 信息泄露漏洞
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、UnityVSA在5.1.0.0.5.394之前的版本存在明文密码存储漏洞。攻击者可利用该漏洞使用暴露的密码，以受威胁用户的特权获得访问权限。
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

Vendor Product Affected Versions CPE Subscribe
Dell Unity unspecified ~ 5.1.0.0.5.394 -

II. Public POCs for CVE-2021-21591

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III. Intelligence Information for CVE-2021-21591

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Other References for CVE-2021-21591 (1)

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-2021-21590 6.4 MEDIUM DELL Dell EMC Unity和UnityVSA 信息泄露漏洞
CVE-2021-21589 5.7 MEDIUM DELL Dell EMC Unity和UnityVSA 安全漏洞

IV. Related Vulnerabilities

Same product: Unity
Same vendor: Dell
Same weakness: CWE-200

V. Comments for CVE-2021-21591

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