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CVE-2017-4920

Quick assessment

Affected
VMware NSX-V Edge
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.

VMware NSX-V Edge是美国威睿（VMware）公司的一套网络和安全虚拟化平台。该平台为虚拟机提供部署在普通IP网络硬件上，提供完整服务(full-service)、可编程以及可移动的虚拟网络。 VMware NSX-V Edge 6.2.8之前的6.2.x版本和6.3.3之前的6.3.x版本中的OSPF协议实现存在安全漏洞，该漏洞源于程序没有正确的处理链路状态广播(LSA)。远程攻击者可利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.13% · P66

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2017-4920

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The implementation of the OSPF protocol in VMware NSX-V Edge 6.2.x prior to 6.2.8 and NSX-V Edge 6.3.x prior to 6.3.3 doesn't correctly handle the link-state advertisement (LSA). A rogue LSA may exploit this issue resulting in continuous sending of LSAs between two routers eventually going in loop or loss of connectivity.
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
VMware NSX-V Edge 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware NSX-V Edge是美国威睿（VMware）公司的一套网络和安全虚拟化平台。该平台为虚拟机提供部署在普通IP网络硬件上，提供完整服务(full-service)、可编程以及可移动的虚拟网络。 VMware NSX-V Edge 6.2.8之前的6.2.x版本和6.3.3之前的6.3.x版本中的OSPF协议实现存在安全漏洞，该漏洞源于程序没有正确的处理链路状态广播(LSA)。远程攻击者可利用该漏洞造成拒绝服务。
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
VMware NSX-V Edge 6.2.x prior to 6.2.8 -

II. Public POCs for CVE-2017-4920

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III. Intelligence Information for CVE-2017-4920

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Vendor Advisories for CVE-2017-4920 (2)

IV. Related Vulnerabilities

Same vendor: VMware

V. Comments for CVE-2017-4920

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