Description
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.
References (6)
Core 6
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://launchpad.net/bugs/1939733
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/08/31/2
Patch, Vendor Advisory x_refsource_misc
https://security.openstack.org/ossa/OSSA-2021-005.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4983
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html
Scores
CVSS v3
6.5
EPSS
0.0135
EPSS Percentile
80.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Details
Status
published
Products (5)
debian/debian_linux
9.0
debian/debian_linux
10.0
debian/debian_linux
11.0
openstack/neutron
< 16.4.1
pypi/neutron
0 - 16.4.1PyPI
Published
Aug 31, 2021
Tracked Since
Feb 18, 2026