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CVE-2021-40797

Published: Sep 8, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-772
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
1.7%
Top 25.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-772

Affected Products

n/an/a
neutronPyPIOSS Libraries
neutronopenstack
On-premNetwork Device
Cloud & SaaS / cloud-platform
pypipackage-ecosystemOSS Libraries
openstackoss-projectUSCloud & SaaSaka openstack foundation

Exploitability

Official Patch Available

References

https://launchpad.net/bugs/1942179
launchpad.net
https://security.openstack.org/ossa/OSSA-2021-006.html
security.openstack.org
http://www.openwall.com/lists/oss-security/2021/09/09/2
openwall.com
and 4 more references View all →

Timeline

Published
Sep 8, 2021
Last Updated
Nov 21, 2024

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