SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5936

OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

HIGH 7.5EPSS 2.93%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.93%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
2.93% probability · 87th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
canonical/ubuntu linux · openstack/nova-lxd
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 2.93%27 October 202627 October 2026

EPSS 2.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.