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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
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
- www.vmware.com/security/advisories/VMSA-2017-0014.html (Vendor Advisory)
- www.securityfocus.com/bid/100277 (VDB Entry, Third Party Advisory, vdb-entry)
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.