3.5

CVE-2015-5240: openstack neutron Race Condition

CVSS: 3.5v2.0LowModified
AliasesGHSA-hhpj-6pj7-wpx5PYSEC-2026-853RHSA-2015:1909
Published 27-10-2015Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-5240 is a low (CVSS 3.5) Race Condition vulnerability in openstack neutron. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities.

Overall risk
14/100
0100
Low · default modelHow is this calculated?
CVSS score
3.5/10
010
Low · v2.0 (NVD)
EPSS score
0.97%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2
SUSE-SU-2015:1890-1SUSE-SU-2015:2220-1

Timeline

  1. 27-10-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows remote authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before the security group rules are applied.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.97%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.97% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat28 products
  • openstack-neutron< 0:2014.1.5-4.el6ost | < 0:2014.1.5-4.el7ost | < 0:2014.2.3-19.el7ost | < 0:2015.1.1-7.el7ost
  • openstack-neutron-bigswitch< 0:2014.1.5-4.el6ost | < 0:2014.1.5-4.el7ost | < 0:2014.2.3-19.el7ost | < 0:2015.1.1-7.el7ost
  • openstack-neutron-brocade< 0:2014.1.5-4.el6ost | < 0:2014.1.5-4.el7ost | < 0:2014.2.3-19.el7ost | < 0:2015.1.1-7.el7ost
  • openstack-neutron-cisco< 0:2014.1.5-4.el6ost | < 0:2014.1.5-4.el7ost | < 0:2014.2.3-19.el7ost | < 0:2015.1.1-7.el7ost
  • openstack-neutron-common< 0:2014.2.3-19.el7ost | < 0:2015.1.1-7.el7ost
Debian1 product
  • neutron< 1:7.0.0-1
Openstack1 product
  • neutron2014.2.3 | 2015.1.0 | 2015.1.1
PyPI1 product
  • neutron< 7.0.0

4 vendors · 31 products

References

20 links
Show all 20 references