CVE-2021-40797
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
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.
Overview
- CVE ID
- CVE-2021-40797
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-08T20:15:11
- Last Modified Date
- 2021-09-15T19:01:28
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* | 1 | OR | 16.4.1 | |
| cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* | 1 | OR | 17.0.0 | 17.2.1 |
| cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* | 1 | OR | 18.0.0 | 18.1.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://launchpad.net/bugs/1942179 | Exploit Issue Tracking Third Party Advisory |
| https://security.openstack.org/ossa/OSSA-2021-006.html | Patch Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2021/09/09/2 | Mailing List Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-40797 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40797 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:05:10 | Added to TrackCVE | |||
| 2022-12-05 10:08:39 | 2021-09-08T20:15Z | 2021-09-08T20:15:11 | CVE Published Date | updated |
| 2022-12-05 10:08:39 | 2021-09-15T19:01:28 | CVE Modified Date | updated | |
| 2022-12-05 10:08:39 | Analyzed | Vulnerability Status | updated |