#VU57242 Improper access control in openstack-neutron - CVE-2021-40085 

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Main Vulnerability Database Vulnerabilities #VU57242

#VU57242 Improper access control in openstack-neutron - CVE-2021-40085

Published: October 12, 2021


Vulnerability identifier: #VU57242
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40085
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
openstack-neutron
Software vendor:
Openstack

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and reconfigure dnsmasq via a crafted extra_dhcp_opts value.


Remediation

Install updates from vendor's website.

External links