CVE Vulnerability

CVE-2021-40797

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://launchpad.net/bugs/1942179 Exploit Issue Tracking
https://security.openstack.org/ossa/OSSA-2021-006.html Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/09/09/2 Mailing List Patch
Configurations

Configuration 1

cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
Information

Published : 2021-09-08 08:15

Updated : 2021-09-15 07:01

NVD link : CVE-2021-40797

Mitre link : CVE-2021-40797

Products Affected
No products.
CWE
CWE-772