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Status published
Medium
CVE-2021-40085
An issue was discovered in OpenStack Neutron before 16.4.1, 17.x...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://launchpad.net/bugs/1939733
- http://www.openwall.com/lists/oss-security/2021/08/31/2
- https://security.openstack.org/ossa/OSSA-2021-005.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html
- https://www.debian.org/security/2021/dsa-4983
- https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html
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Affected Vendor
openstack
View all reports →Affected Software
neutron, debian linux
Vulnerable Versions:
0, 17.0.0, 18.0.0, 9.0, 10.0, 11.0
Timeline
Official Publish:
August 31st, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.