CVE-2021-40085

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-40085
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.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/08/31/2 Mailing List Patch Third Party Advisory
https://launchpad.net/bugs/1939733 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html Mailing List Third Party Advisory
https://security.openstack.org/ossa/OSSA-2021-005.html Patch Vendor Advisory
https://www.debian.org/security/2021/dsa-4983 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe: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:*:*:*:*:*:*:*
History

13 Jun 2022, 19:56

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html - (MLIST) https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html - Mailing List, Third Party Advisory

26 May 2022, 17:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2022/05/msg00038.html -

30 Nov 2021, 21:16

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (DEBIAN) https://www.debian.org/security/2021/dsa-4983 - (DEBIAN) https://www.debian.org/security/2021/dsa-4983 - Third Party Advisory
References (MISC) https://launchpad.net/bugs/1939733 - Exploit, Third Party Advisory (MISC) https://launchpad.net/bugs/1939733 - Exploit, Issue Tracking, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html - Mailing List, Third Party Advisory

11 Oct 2021, 23:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4983 -

11 Oct 2021, 17:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/10/msg00005.html -

08 Sep 2021, 20:12

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.0
v3 : 6.5
CPE cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*
CWE NVD-CWE-noinfo
References (MLIST) http://www.openwall.com/lists/oss-security/2021/08/31/2 - (MLIST) http://www.openwall.com/lists/oss-security/2021/08/31/2 - Mailing List, Patch, Third Party Advisory
References (MISC) https://security.openstack.org/ossa/OSSA-2021-005.html - (MISC) https://security.openstack.org/ossa/OSSA-2021-005.html - Patch, Vendor Advisory
References (MISC) https://launchpad.net/bugs/1939733 - (MISC) https://launchpad.net/bugs/1939733 - Exploit, Third Party Advisory

31 Aug 2021, 18:45

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-31 18:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-40085

Mitre link : CVE-2021-40085

CVE.ORG link : CVE-2021-40085

JSON object : View

Products Affected

debian

  • debian_linux

openstack

  • neutron
CWE
NVD-CWE-noinfo