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CVE-2020-26195

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 EMC PowerScale是美国戴尔（DELL）公司的一套适用于非结构化数据的横向扩展存储系统。 Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 存在安全漏洞，该漏洞源于OneFS SMB目录自动创建可能会错误地为用户创建目录的问题。未经身份验证的远程攻击者可利用该漏洞可利用这个问题来降低系统的速度。

CVSS 5.3 · Medium EPSS 1.80% · P77

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2020-26195

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 contain an issue where the OneFS SMB directory auto-create may erroneously create a directory for a user. A remote unauthenticated attacker may take advantage of this issue to slow down the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不充分权限或特权的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
DELL EMC PowerScale 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL EMC PowerScale是美国戴尔（DELL）公司的一套适用于非结构化数据的横向扩展存储系统。 Dell EMC PowerScale OneFS versions 8.1.2 – 9.1.0 存在安全漏洞，该漏洞源于OneFS SMB目录自动创建可能会错误地为用户创建目录的问题。未经身份验证的远程攻击者可利用该漏洞可利用这个问题来降低系统的速度。
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 unspecified ~ 8.1.2, 8.2.2, 9.0+ -

II. Public POCs for CVE-2020-26195

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III. Intelligence Information for CVE-2020-26195

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Same Patch Batch · Dell · 2021-02-09 · 7 CVEs total

CVE-2021-21502 9.8 CRITICAL Dell PowerScale OneFS 授权问题漏洞
CVE-2020-26191 7.8 HIGH DELL EMC PowerScale 权限许可和访问控制问题漏洞
CVE-2020-26192 7.8 HIGH DELL EMC PowerScale 访问控制错误漏洞
CVE-2020-26193 7.8 HIGH DELL EMC PowerScale 操作系统命令注入漏洞
CVE-2020-26194 7.0 HIGH DELL EMC PowerScale 权限许可和访问控制问题漏洞
CVE-2020-26196 5.5 MEDIUM DELL EMC PowerScale 安全漏洞

IV. Related Vulnerabilities

Same product: PowerScale OneFS
Same vendor: Dell
Same weakness: CWE-280

V. Comments for CVE-2020-26195

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