CVE-2017-4920: VMware NSX-V Edge vulnerability

CVE-2017-4920: 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 prio...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 22:09 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw affects VMware NSX-V Edge routing. A malicious or rogue OSPF link-state advertisement can trigger repeated LSA exchanges between routers, potentially causing routing instability or loss of connectivity. The main business risk is network availability disruption in environments still running affected NSX-V Edge versions. Exposure is likely limited to VMware NSX-V Edge deployments on affected 6.2.x or 6.3.x versions where OSPF is in use or reachable from routing peers. Treat as a targeted availability risk for legacy VMware NSX-V routing environments. Prioritize remediation where affected edges support production routing or critical network segmentation. Mitigation focus: Upgrade NSX-V Edge 6.2.x deployments to 6.2.8 or later.; Upgrade NSX-V Edge 6.3.x deployments to 6.3.3 or later.; Review VMware VMSA-2017-0014 for vendor-specific remediation guidance..

Prepared: Jun 12, 2026, 19:33 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 5, 2017, 21:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.vmware.com/security/advisories/VMSA-2017-0014.htmlCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

VMwareNSX-V Edge6.2.x prior to 6.2.8, 6.3.x prior to 6.3.3Listed

Weakness

CWE details

No CWE listed

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