CVE-2021-23018
CVSS V2 Medium 5.8
CVSS V3 High 7.4
Description
Intra-cluster communication does not use TLS. The services within the NGINX Controller 3.x before 3.4.0 namespace are using cleartext protocols inside the cluster.
Overview
- CVE ID
- CVE-2021-23018
- Assigner
- f5sirt@f5.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-01T12:15:07
- Last Modified Date
- 2021-06-11T17:33:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:f5:nginx_controller:*:*:*:*:*:*:*:* | 1 | OR | 3.0.0 | 3.4.0 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.4
- Base Severity
- HIGH
- Exploitability Score
- 2.2
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://support.f5.com/csp/article/K97002210 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-23018 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23018 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:11:57 | Added to TrackCVE | |||
| 2022-12-05 03:17:14 | 2021-06-01T12:15Z | 2021-06-01T12:15:07 | CVE Published Date | updated |
| 2022-12-05 03:17:14 | 2021-06-11T17:33:11 | CVE Modified Date | updated | |
| 2022-12-05 03:17:14 | Analyzed | Vulnerability Status | updated |