Resource exhaustion in Vmware Nsx-V Edge
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 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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.011 (63.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Vmware Nsx-v Edge — versions 6.2.x prior to 6.2.8, 6.3.x prior to 6.3.3
- Vmware Nsx-v_edge
Weakness classification (CWE)
References
- security@vmware.com (x_refsource_CONFIRM, Vendor Advisory)
- security@vmware.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-4920?
- CVE-2017-4920 is a medium-severity vulnerability in Vmware Nsx-V Edge, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2017-12-05.
- How severe is CVE-2017-4920?
- Medium severity. CVSS v3 base score is 5.9 out of 10.