CVE-2021-40085
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Openstack Neutron
PublishedAug 31, 2021
First seenAug 31, 2021
How to fix
Update
- openstack neutron16.4.1, 17.2.1, 18.1.1 or later
- neutron16.4.1, 17.2.1, 18.1.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openstack neutron | v < 16.4.1, 17.0.0 ≤ v < 17.2.1, 18.0.0 ≤ v < 18.1.1 | 16.4.1, 17.2.1, 18.1.1 |
| debian debian_linux | 9.0, 10.0, 11.0 | — |
| neutronPyPI | v < 16.4.1, 17.0.0 ≤ v < 17.2.1, 18.0.0 ≤ v < 18.1.1 | 16.4.1, 17.2.1, 18.1.1 |
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