CVE-2021-40085
At a glance
- Source
- NVD
- EPSS
- EPSS 1.83 % · percentile 79 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
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
- 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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-fh73-gjvg-349c — OpenStack Neutron vulnerable to authenticated attackers reconfiguring dnsmasq via crafted extra_dhcp_opts value
- PYSEC-2021-361 — 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 cr
European references
- ENISA EUVD · EUVD-2021-0145
- GCVE · GCVE-0-2021-40085
CERT-FR advisories
- CERTFR-2023-AVI-0537 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0051 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*< 16.4.1cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*≥ 17.0.0 < 17.2.1cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*≥ 18.0.0 < 18.1.1cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |