Detections
Analytics

SCA: security update for neutron (GHSA-fh73-gjvg-349c)

high Tenable Self-Hosted Container Security Plugin ID 434052

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2021-40085)

See Also

https://github.com/advisories/GHSA-fh73-gjvg-349c

Plugin Details

Severity: High

ID: 434052

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 8/19/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS Score Source: CVE-2021-40085

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 5.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 8/31/2021

Reference Information

CVE: CVE-2021-40085