Vulnerability Details : 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.
Products affected by CVE-2017-4920
- cpe:2.3:a:vmware:nsx-v_edge:*:*:*:*:*:*:*:*
- cpe:2.3:a:vmware:nsx-v_edge:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-4920
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-4920
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST | |
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2017-4920
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-4920
-
https://www.vmware.com/security/advisories/VMSA-2017-0014.html
VMSA-2017-0014Vendor Advisory
-
http://www.securityfocus.com/bid/100277
VMware NSX-V Edge CVE-2017-4920 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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