Ubuntu.comUB:CVE-2021-40797CVE-2021-40797
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
45.9%
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.
Bugs
Notes
| Author | Note |
|---|---|
| mdeslaur | This issue was fixed in (2:16.4.1-0ubuntu2) in focal-updates and (2:18.1.1-0ubuntu2) in hirsute-updates, and was later released to -security. |
Related
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
45.9%