CVE-2020-8559
CVSS V2 Medium 6
CVSS V3 Medium 6.8
Description
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.
Overview
- CVE ID
- CVE-2020-8559
- Assigner
- jordan@liggitt.net
- Vulnerability Status
- Analyzed
- Published Version
- 2020-07-22T14:15:16
- Last Modified Date
- 2023-01-27T20:34:52
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.6.0 | 1.15.0 |
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.16.0 | 1.16.13 |
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.17.0 | 1.17.9 |
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.18.0 | 1.18.6 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6
- Severity
- MEDIUM
- Exploitability Score
- 6.8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.8
- Base Severity
- MEDIUM
- Exploitability Score
- 0.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/kubernetes/kubernetes/issues/92914 | Exploit Patch Third Party Advisory |
| https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ | Exploit Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20200810-0004/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-8559 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8559 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:24:32 | Added to TrackCVE | |||
| 2022-12-04 20:06:25 | security@kubernetes.io | jordan@liggitt.net | CVE Assigner | updated |
| 2022-12-04 20:06:25 | 2020-07-22T14:15Z | 2020-07-22T14:15:16 | CVE Published Date | updated |
| 2022-12-04 20:06:25 | 2020-08-10T12:15:13 | CVE Modified Date | updated | |
| 2022-12-04 20:06:25 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-27 23:10:32 | 2023-01-27T20:34:52 | CVE Modified Date | updated | |
| 2023-01-27 23:10:32 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |