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CVE-2021-34994

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中存在代码注入漏洞，该漏洞的存在是由于在将用户提供的字符串作为 JavaScript 代码在 DataProvider 类中执行之前对其进行了不正确的输入验证。经过身份验证的远程攻击者可以发送特制请求并在目标系统上执行任意代码。该漏洞允许远程攻击者在目标系统上执行任意代码。

AI Predicted 8.1 Difficulty: Easy EPSS 5.79% · P93
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I. Basic Information for CVE-2021-34994

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 DataProvider class. The issue results from the lack of proper validation of a user-supplied string before executing it as JavaScript code. An attacker can leverage this vulnerability to escape the JavaScript sandbox and execute Java code in the context of NETWORK SERVICE. Was ZDI-CAN-13755.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Commvault CommCell 代码注入漏洞
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中存在代码注入漏洞，该漏洞的存在是由于在将用户提供的字符串作为 JavaScript 代码在 DataProvider 类中执行之前对其进行了不正确的输入验证。经过身份验证的远程攻击者可以发送特制请求并在目标系统上执行任意代码。该漏洞允许远程攻击者在目标系统上执行任意代码。
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-2021-34994

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III. Intelligence Information for CVE-2021-34994

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

CVE-2021-34993 Commvault CommCell 授权问题漏洞
CVE-2021-34995 Commvault CommCell 代码问题漏洞
CVE-2021-34996 Commvault CommCell 安全漏洞
CVE-2021-34997 Commvault CommCell 代码问题漏洞

IV. Related Vulnerabilities

Same product: CommCell
Same vendor: Commvault
Same weakness: CWE-20

V. Comments for CVE-2021-34994

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