CVE-2026-21423
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 PowerScale OneFS是美国戴尔（Dell）公司的一个操作系统。提供横向扩展NAS的PowerScale OneFS操作系统。 Dell PowerScale OneFS 9.10.1.6之前版本和9.11.0.0至9.12.0.1版本存在安全漏洞，该漏洞源于默认权限不正确，可能导致代码执行、拒绝服务、权限提升和信息泄露。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-21423
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell PowerScale OneFS, versions prior to 9.10.1.6 and versions 9.11.0.0 through 9.12.0.1, contains an incorrect default permissions vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to code execution, denial of service, elevation of privileges, and information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Dell PowerScale OneFS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell PowerScale OneFS是美国戴尔（Dell）公司的一个操作系统。提供横向扩展NAS的PowerScale OneFS操作系统。 Dell PowerScale OneFS 9.10.1.6之前版本和9.11.0.0至9.12.0.1版本存在安全漏洞，该漏洞源于默认权限不正确，可能导致代码执行、拒绝服务、权限提升和信息泄露。
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 | 9.11.0.0 through 9.12.0.1 ~ 9.13.0.0 or later | - |
|
II. Public POCs for CVE-2026-21423
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Dell · 2026-03-04 · 11 CVEs total
| CVE-2026-21425 | 6.7 MEDIUM | Dell PowerScale OneFS 安全漏洞 |
| CVE-2026-22270 | 6.7 MEDIUM | Dell PowerScale OneFS 代码问题漏洞 |
| CVE-2026-21426 | 6.7 MEDIUM | Dell PowerScale OneFS 安全漏洞 |
| CVE-2026-21421 | 6.7 MEDIUM | Dell PowerScale OneFS 安全漏洞 |
| CVE-2026-21424 | 6.7 MEDIUM | Dell PowerScale OneFS 安全漏洞 |
| CVE-2026-26949 | 5.5 MEDIUM | Dell Device Management Agent 安全漏洞 |
| CVE-2026-25907 | 5.3 MEDIUM | Dell PowerScale OneFS 安全漏洞 |
| CVE-2026-22285 | 4.4 MEDIUM | Dell Device Management Agent 安全漏洞 |
| CVE-2026-21422 | 3.4 LOW | Dell PowerScale OneFS 安全漏洞 |
| CVE-2026-22760 | 3.3 LOW | Dell Device Management Agent 代码问题漏洞 |
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Same weakness: CWE-276
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V. Comments for CVE-2026-21423
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