Detections
Analytics

SCA: security update for neutron (GHSA-cpx3-696p-3cw9)

high Tenable Self-Hosted Container Security Plugin ID 433510

Description

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

 - An issue was discovered in the routes middleware in OpenStack Neutron before 16.4.1, 17.x before 17.2.1,
 and 18.x before 18.1.1. By making API requests involving nonexistent controllers, an authenticated user
 may cause the API worker to consume increasing amounts of memory, resulting in API performance degradation
 or denial of service. (CVE-2021-40797)

See Also

https://github.com/advisories/GHSA-cpx3-696p-3cw9

Plugin Details

Severity: High

ID: 433510

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:N/A:P

CVSS Score Source: CVE-2021-40797

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:N/A:H

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:N/VA:H/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: 9/8/2021

Reference Information

CVE: CVE-2021-40797

cwe: CWE-772