CVE-2016-5363
OpenStack Neutron Intended MAC-spoofing protection mechanism bypass
8.2
HIGH
CVSS 3.1
EPSS 4.7%
Description
The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.
How to fix CVE-2016-5363
To remediate CVE-2016-5363, upgrade the affected package to a fixed version below.
- —upgrade to 2:8.1.2-1 or later
- —upgrade to 7.1.0 or later
Is CVE-2016-5363 being exploited?
Low — EPSS is 4.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2:8.1.2-1
- from 0, < 7.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |