Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-40085

Published: Aug 31, 2021 | Modified: Nov 21, 2024
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N
RedHat/V2
RedHat/V3
7.6 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-40085
CWEhttps://cwe.mitre.org/data/definitions/.html

An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.

Affected Software

Name Vendor Start Version End Version
Neutron Openstack * 16.4.1 (excluding)
Neutron Openstack 17.0.0 (including) 17.2.1 (excluding)
Neutron Openstack 18.0.0 (including) 18.1.1 (excluding)
Red Hat OpenStack Platform 10.0 (Newton) RedHat openstack-neutron-1:9.4.1-56.el7ost *
Red Hat OpenStack Platform 13.0 - ELS RedHat openstack-neutron-1:12.1.1-42.1.el7ost *
Red Hat OpenStack Platform 13.0 (Queens) for RHEL 7.6 EUS RedHat openstack-neutron-1:12.1.1-42.1.el7ost *
Red Hat OpenStack Platform 16.1 RedHat openstack-neutron-1:15.2.1-1.20210409073447.el8ost *
Red Hat OpenStack Platform 16.2 RedHat openstack-neutron-1:15.3.5-2.20210608154813.el8ost.3 *
Neutron Ubuntu bionic *
Neutron Ubuntu focal *
Neutron Ubuntu hirsute *
Neutron Ubuntu trusty *
Neutron Ubuntu upstream *
Neutron Ubuntu xenial *

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2025 Aqua Security Software Ltd.   Privacy Policy | Terms of Use