CVE-2021-40085
- Source
- https://cve.org/CVERecord?id=CVE-2021-40085
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40085.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-40085
- Aliases
- Downstream
- Related
- Published
- 2021-08-31T18:15:08.837Z
- Modified
- 2026-03-10T23:44:46.495697Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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 extradhcpopts value.
- References
-
- https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html
- https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html
- https://www.debian.org/security/2021/dsa-4983
- 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
Affected packages
Git / github.com/openstack/neutron
Affected ranges
- Type
- GIT
- Repo
- https://github.com/openstack/neutron
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedIntroducedFixedIntroducedFixedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affectedIntroduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "versions": [ { "introduced": "0" }, { "fixed": "16.4.1" }, { "introduced": "17.0.0" }, { "fixed": "17.2.1" }, { "introduced": "18.0.0" }, { "fixed": "18.1.1" }, { "introduced": "0" }, { "last_affected": "9.0" }, { "introduced": "0" }, { "last_affected": "10.0" }, { "introduced": "0" }, { "last_affected": "11.0" } ] }