CVE-2021-40797

CWE-772CWE-770 — Allocation without Limits8 documents7 sources
Severity
6.5MEDIUM
EPSS
0.4%
top 40.32%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Openstack Neutron
Timeline
PublishedSep 8
Latest updateMay 10

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶NVDopenstack/neutron17.0.0 — 17.2.1+2
▶PyPIneutron17.0.0 — 17.2.1+2
▶Debianneutron< 2:17.2.1-0+deb11u1+3

Patches

Patch: www.openwall.com ↗Patch: security.openstack.org ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

4
OSV
OpenStack Neutron Denial of Service vulnerability↗2022-05-24
▶
GHSA
OpenStack Neutron Denial of Service vulnerability↗2022-05-24
▶
OSV
CVE-2021-40797: An issue was discovered in the routes middleware in OpenStack Neutron before 16↗2021-09-08
▶
CVEList
CVE-2021-40797: An issue was discovered in the routes middleware in OpenStack Neutron before 16↗2021-09-08
▶

📋Vendor Advisories

3
Ubuntu
OpenStack Neutron vulnerabilities↗2023-05-10
▶
Red Hat
openstack-neutron: Routes middleware memory leak for nonexistent controllers↗2021-09-08
▶
Debian
CVE-2021-40797: neutron - An issue was discovered in the routes middleware in OpenStack Neutron before 16....↗2021
▶
CVE-2021-40797 (MEDIUM CVSS 6.5) | An issue was discovered in the rout | cvebase.io