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CVE-2026-21418

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 Unity是美国戴尔（Dell）公司的一套虚拟Unity存储环境。 Dell Unity 5.5.2及之前版本存在操作系统命令注入漏洞，该漏洞源于特殊元素中和不当，可能导致本地低权限攻击者执行任意命令。

CVSS 7.8 · High EPSS 0.66% · P50
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I. Basic Information for CVE-2026-21418

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Unity, version(s) 5.5.2 and prior, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary command execution with root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Unity 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Unity是美国戴尔（Dell）公司的一套虚拟Unity存储环境。 Dell Unity 5.5.2及之前版本存在操作系统命令注入漏洞，该漏洞源于特殊元素中和不当，可能导致本地低权限攻击者执行任意命令。
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 N/A ~ 5.5.3 -

II. Public POCs for CVE-2026-21418

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III. Intelligence Information for CVE-2026-21418

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IV. Related Vulnerabilities

Same product: Unity
Same vendor: Dell
Same weakness: CWE-78

V. Comments for CVE-2026-21418

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