CVE-2021-20700
Quick assessment
Affected
NEC Corporation CLUSTERPRO X
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.
Antenna House Office Server Document Converter（Osdc）是美国Antenna House公司的一个办公服务器文档转换器。用于将 Word、Excel 和 Powerpoint 批量转换为易于共享且在任何屏幕上看起来都准确的高质量 Pdf 或图像格式。 Office Server Document Converter 存在缓冲区错误漏洞，该漏洞源于。该漏洞的存在是由于磁盘代理中的边界错误。远程攻击者可利用该漏洞可以发送一个专门制作的包，触发内存损坏并在目标系统
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20700
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer overflow vulnerability in the Disk Agent CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier allows attacker to remote code execution via a network.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Office Server Document Converter 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Antenna House Office Server Document Converter（Osdc）是美国Antenna House公司的一个办公服务器文档转换器。用于将 Word、Excel 和 Powerpoint 批量转换为易于共享且在任何屏幕上看起来都准确的高质量 Pdf 或图像格式。 Office Server Document Converter 存在缓冲区错误漏洞，该漏洞源于。该漏洞的存在是由于磁盘代理中的边界错误。远程攻击者可利用该漏洞可以发送一个专门制作的包，触发内存损坏并在目标系统
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 |
|---|---|---|---|---|
| NEC Corporation | CLUSTERPRO X | CLUSTERPRO X 4.3 for Windows and earlier, EXPRESSCLUSTER X 4.3 for Windows and earlier, CLUSTERPRO X 4.3 SingleServerSafe for Windows and earlier, EXPRESSCLUSTER X 4.3 SingleServerSafe for Windows and earlier | - |
|
II. Public POCs for CVE-2021-20700
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-20700 (1)
-
https://jpn.nec.com/security-info/secinfo/nv21-015_en.html x_refsource_MISC
Same Patch Batch · NEC Corporation · 2021-11-02 · 8 CVEs total
| CVE-2021-20701 | NEC Corporation CLUSTERPRO缓冲区错误漏洞 | |
| CVE-2021-20702 | NEC Corporation CLUSTERPRO 缓冲区错误漏洞 | |
| CVE-2021-20703 | NEC Corporation CLUSTERPRO缓冲区错误漏洞 | |
| CVE-2021-20704 | NEC Corporation CLUSTERPRO 和 EXPRESSCLUSTER 缓冲区错误漏洞 | |
| CVE-2021-20705 | NEC Corporation CLUSTERPRO 输入验证错误漏洞 | |
| CVE-2021-20706 | NEC Corporation CLUSTERPRO 输入验证错误漏洞 | |
| CVE-2021-20707 | NEC Corporation CLUSTERPRO 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-20700
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