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,…

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.

Scores

EPSS (exploitation in 30 days)

0.98% · top 38% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.5.

Weakness

• n/a
• CWE-362 (opens in a new tab)All about CWE-362 and its CVEs

Affected products

• n/a

  • affected n/a

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• PyPIneutronGHSA-hhpj-6pj7-wpx5 (opens in a new tab)

References (5)

• RHSA-2015:1909 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1258458 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://security.openstack.org/ossa/OSSA-2015-018.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.launchpad.net/neutron/+bug/1489111 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20151008 [OSSA 2015-018] Neutron firewall rules bypass through port update (CVE-2015-5240) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-hhpj-6pj7-wpx5 (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2015-5240](https://trackcve.app/badge/CVE-2015-5240.svg)](https://trackcve.app/cve/CVE-2015-5240)

Record last updated 6 Aug 2024, 06:41 UTC.