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ubuntucveUbuntu.comUB:CVE-2021-40085
HistoryAug 31, 2021 - 12:00 a.m.

CVE-2021-40085

2021-08-3100:00:00
ubuntu.com
ubuntu.com
11

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

0.001 Low

EPSS

Percentile

44.8%

JSON

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.

Bugs

Notes

Author Note
mdeslaur This issue was fixed in (2:16.4.1-0ubuntu2) in focal-updates and (2:18.1.1-0ubuntu2) in hirsute-updates, and was later released to -security.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchneutron< 2:12.1.1-0ubuntu8.1UNKNOWN
ubuntu20.04noarchneutron< 2:16.4.2-0ubuntu6.2UNKNOWN
ubuntu16.04noarchneutron< anyUNKNOWN

Related

nessus 7
debian 3
prion 1
osv 6
redhatcve 1
openvas 4
github 1
redhat 4
debiancve 1
cve 1
nvd 1
cvelist 1
veracode 1
ubuntu 1
nessus
nessus
Debian DLA-2781-1 : neutron - LTS security update
2021-10-11 00:00:00
RHEL 8 : Red Hat OpenStack Platform 16.2 (openstack-neutron) (RHSA-2021:3488)
2022-09-15 00:00:00
RHEL 8 : Red Hat OpenStack Platform 16.1 (openstack-neutron) (RHSA-2021:3481)
2022-09-15 00:00:00
debian
debian
[SECURITY] [DLA 3027-1] neutron security update
2022-05-26 14:33:07
[SECURITY] [DLA 2781-1] neutron security update
2021-10-11 14:33:02
[SECURITY] [DSA 4983-1] neutron security update
2021-10-10 18:06:29
prion
prion
Design/Logic Flaw
2021-08-31 18:15:00
osv
osv
OpenStack Neutron vulnerable to authenticated attackers reconfiguring dnsmasq via crafted extra_dhcp_opts value
2022-05-24 19:12:33
neutron - security update
2021-10-10 00:00:00
neutron - security update
2022-05-26 00:00:00
redhatcve
redhatcve
CVE-2021-40085
2021-08-31 19:04:40
openvas
openvas
Debian: Security Advisory (DLA-3027-1)
2022-06-01 00:00:00
Debian: Security Advisory (DLA-2781-1)
2021-10-12 00:00:00
Debian: Security Advisory (DSA-4983-1)
2021-10-12 00:00:00
github
github
OpenStack Neutron vulnerable to authenticated attackers reconfiguring dnsmasq via crafted extra_dhcp_opts value
2022-05-24 19:12:33
redhat
redhat
(RHSA-2021:3503) Important: Red Hat OpenStack Platform 13.0 (openstack-neutron) security update
2021-09-13 10:21:29
(RHSA-2021:3481) Important: Red Hat OpenStack Platform 16.1 (openstack-neutron) security update
2021-09-09 13:54:05
(RHSA-2021:3488) Important: Red Hat OpenStack Platform 16.2 (openstack-neutron) security update
2021-09-15 06:27:15
debiancve
debiancve
CVE-2021-40085
2021-08-31 18:15:08
cve
cve
CVE-2021-40085
2021-08-31 18:15:08
nvd
nvd
CVE-2021-40085
2021-08-31 18:15:08
cvelist
cvelist
CVE-2021-40085
2021-08-31 17:32:24
veracode
veracode
Denial Of Service (DoS)
2021-09-01 02:31:46
ubuntu
ubuntu
OpenStack Neutron vulnerabilities
2023-05-10 00:00:00

4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

0.001 Low

EPSS

Percentile

44.8%

JSON
Related for UB:CVE-2021-40085
nessus7debian3prion1osv6redhatcve1openvas4github1redhat4debiancve1cve1nvd1cvelist1veracode1ubuntu1