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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://launchpad.net/bugs/1942179	Exploit Issue Tracking Third Party Advisory
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 Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:openstack:neutron::::::::
	cpe:2.3:a:openstack:neutron::::::::
	cpe:2.3:a:openstack:neutron::::::::

Information

Published : 2021-09-08 13:15

Updated : 2021-09-15 12:01

NVD link : CVE-2021-40797

Mitre link : CVE-2021-40797

JSON object : View

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

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Products Affected

openstack

neutron

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