CVE-2017-5936 json
OpenStack Nova-LXD bypass security restrictions
published 2017-04-12 9 y ago modified 2026-06-17 4 mo ago also GHSA-6xc7-4cx8-j3xc , PYSEC-2017-21 , EUVD-2017-0078
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi nova-lxd 13.1.1
- nova-lxd Ubuntu 16.04 LTS 13.2.0-0ubuntu1.16.04.1
ubuntu advisories UBUNTU-CVE-2017-5936
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
2.99% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | nova-lxd | <13.1.1 |
13.1.1 |
References
-
github.com
/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2
web, issue-tracking, patch, third-party-advisory
-
bugs.launchpad.net
/nova-lxd/+bug/1656847
web, issue-tracking, patch, third-party-advisory
-
openwall.com
/lists/oss-security/2017/02/09/3
mailing-list, web, patch, third-party-advisory
-
ubuntu.com
/usn/USN-3195-1
vendor-advisory, web, third-party-advisory, advisory
-
securityfocus.com
/bid/96182
vdb-entry, third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2017-5936
advisory
-
github.com
/openstack/nova-lxd
package
-
github.com
/pypa/advisory-database/tree/main/vulns/nova-lxd/PYSEC-2017-21.yaml
web
-
web.archive.org
/web/20200227193915/http://www.securityfocus.com/bid/96182
web
-
github.com
/advisories/GHSA-6xc7-4cx8-j3xc
advisory
Sources
- CVE List CVE-2017-5936
- GitHub Advisory GHSA-6xc7-4cx8-j3xc
- NVD CVE-2017-5936
- OSV PYSEC-2017-21
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.