CVE-2021-36305
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 PowerScale OneFS 存在安全漏洞，该漏洞源于Dell PowerScale OneFS在SMB CA处理的多线程上下文中包含对共享数据的非同步访问。攻击者可利用该漏洞导致SMB上的服务被拒绝。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-36305
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell PowerScale OneFS contains an Unsynchronized Access to Shared Data in a Multithreaded Context in SMB CA handling. An authenticated user of SMB on a cluster with CA could potentially exploit this vulnerability, leading to a denial of service over SMB.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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 PowerScale OneFS 存在安全漏洞，该漏洞源于Dell PowerScale OneFS在SMB CA处理的多线程上下文中包含对共享数据的非同步访问。攻击者可利用该漏洞导致SMB上的服务被拒绝。
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 | 8.2.0, 8.2.1, 9.0.0.x, 9.2.0.x, 9.1.1.x, 8.2.2, 9.1.0.x , 9.2.1.x | - |
|
II. Public POCs for CVE-2021-36305
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-36305 (1)
-
https://www.dell.com/support/kbdoc/000192046 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-2021-21528 | 7.5 HIGH | Dell Technologies Dell PowerScale OneFS 安全漏洞 |
| CVE-2021-36315 | 6.8 MEDIUM | EMC PowerScale 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: Dell
V. Comments for CVE-2021-36305
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