Vulnerability Monitor

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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.

Published

2021-09-08T20:15:11.060

Last Modified

2024-11-21T06:24:49.247

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-772

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openstack	neutron	< 16.4.1	Yes
Application	openstack	neutron	< 17.2.1	Yes
Application	openstack	neutron	< 18.1.1	Yes

References

http://www.openwall.com/lists/oss-security/2021/09/09/2 Mailing List, Patch, Third Party Advisory ([email protected])
https://launchpad.net/bugs/1942179 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://security.openstack.org/ossa/OSSA-2021-006.html Patch, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2021/09/09/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://launchpad.net/bugs/1942179 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.openstack.org/ossa/OSSA-2021-006.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)