Vulnerability Description
An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation or denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openstack | Neutron | < 16.4.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/09/09/2Mailing ListPatchThird Party Advisory
- https://launchpad.net/bugs/1942179ExploitIssue TrackingThird Party Advisory
- https://security.openstack.org/ossa/OSSA-2021-006.htmlPatchVendor Advisory
- http://www.openwall.com/lists/oss-security/2021/09/09/2Mailing ListPatchThird Party Advisory
- https://launchpad.net/bugs/1942179ExploitIssue TrackingThird Party Advisory
- https://security.openstack.org/ossa/OSSA-2021-006.htmlPatchVendor Advisory
FAQ
What is CVE-2021-40797?
CVE-2021-40797 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authentica...
How severe is CVE-2021-40797?
CVE-2021-40797 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-40797?
Check the references section above for vendor advisories and patch information. Affected products include: Openstack Neutron.