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CVE-2021-34992

Quick assessment

Affected
Orckestra C1 CMS
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.

Orckestra C1 CMS是一套基于.NET的开源Web内容管理系统（CMS）。 Orckestra C1 CMS 存在代码问题漏洞，该漏洞源于对用户提供的数据缺乏适当的验证而导致的，这可能会导致不可信数据的反序列化。攻击者可利用该漏洞在受影响的Orckestra C1 CMS安装上执行任意代码。

AI Predicted 7.5 Difficulty: Easy EPSS 4.27% · P91
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I. Basic Information for CVE-2021-34992

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 Orckestra C1 CMS 6.10. Authentication is required to exploit this vulnerability. The specific flaw exists within Composite.dll. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-14740.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
Orckestra C1 CMS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Orckestra C1 CMS是一套基于.NET的开源Web内容管理系统（CMS）。 Orckestra C1 CMS 存在代码问题漏洞，该漏洞源于对用户提供的数据缺乏适当的验证而导致的，这可能会导致不可信数据的反序列化。攻击者可利用该漏洞在受影响的Orckestra C1 CMS安装上执行任意代码。
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
Orckestra C1 CMS 6.10 -

II. Public POCs for CVE-2021-34992

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III. Intelligence Information for CVE-2021-34992

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Vendor Advisories for CVE-2021-34992 (1)

Other References for CVE-2021-34992 (1)

IV. Related Vulnerabilities

Same vendor: Orckestra
Same weakness: CWE-502

V. Comments for CVE-2021-34992

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