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CVE-2021-34996

Quick assessment

Affected
Commvault CommCell
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Commvault CommCell是美国Commvault公司的一款应用于企业环境的存储管理工具。 Commvault CommCell 中存在安全漏洞。该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。

AI Predicted 9.8 Difficulty: Easy EPSS 82.26% · P100
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I. Basic Information for CVE-2021-34996

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the Demo_ExecuteProcessOnGroup workflow. By creating a workflow, an attacker can specify an arbitrary command to be executed. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-13889.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
暴露危险的方法或函数
Source: CVE Program / CVE List V5
Vulnerability Title
Commvault CommCell 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Commvault CommCell是美国Commvault公司的一款应用于企业环境的存储管理工具。 Commvault CommCell 中存在安全漏洞。该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。
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
Commvault CommCell 11.22.22 -

II. Public POCs for CVE-2021-34996

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III. Intelligence Information for CVE-2021-34996

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Vendor Advisories for CVE-2021-34996 (1)

Same Patch Batch · Commvault · 2022-01-13 · 5 CVEs total

CVE-2021-34993 Commvault CommCell 授权问题漏洞
CVE-2021-34994 Commvault CommCell 代码注入漏洞
CVE-2021-34995 Commvault CommCell 代码问题漏洞
CVE-2021-34997 Commvault CommCell 代码问题漏洞

IV. Related Vulnerabilities

Same product: CommCell
Same vendor: Commvault
Same weakness: CWE-749

V. Comments for CVE-2021-34996

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