CVE-2021-21528
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 Technologies Dell PowerScale OneFS是美国Dell Technologies公司的一个操作系统。提供横向扩展NAS的PowerScale OneFS操作系统。 Dell EMC PowerScale OneFS 9.1.0, 9.2.0.x, 9.2.1.x版本存在安全漏洞，攻击者可利用该漏洞通过目录列表获取信息。当从以前的版本升级时，会触发此漏洞。
Possible ATT&CK Techniques 1 AI
T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-21528
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC PowerScale OneFS versions 9.1.0, 9.2.0.x, 9.2.1.x contain an Exposure of Information through Directory Listing vulnerability. This vulnerability is triggered when upgrading from a previous versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过目录枚举导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Technologies Dell PowerScale OneFS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Technologies Dell PowerScale OneFS是美国Dell Technologies公司的一个操作系统。提供横向扩展NAS的PowerScale OneFS操作系统。 Dell EMC PowerScale OneFS 9.1.0, 9.2.0.x, 9.2.1.x版本存在安全漏洞，攻击者可利用该漏洞通过目录列表获取信息。当从以前的版本升级时，会触发此漏洞。
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 | 9.1.0, 9.2.0.x, 9.2.1.x | - |
|
II. Public POCs for CVE-2021-21528
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-21528 (1)
-
https://www.dell.com/support/kbdoc/en-us/000193005/ x_refsource_MISC
Same Patch Batch · Dell · 2021-11-12 · 6 CVEs total
| CVE-2021-36325 | 7.5 HIGH | Dell Bios 输入验证错误漏洞 |
| CVE-2021-36324 | 7.5 HIGH | Dell Bios 输入验证错误漏洞 |
| CVE-2021-36323 | 7.5 HIGH | Dell Bios 输入验证错误漏洞 |
| CVE-2021-36315 | 6.8 MEDIUM | EMC PowerScale 安全漏洞 |
| CVE-2021-36305 | 6.5 MEDIUM | Dell Technologies Dell PowerScale OneFS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-21528
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