CVE-2021-25741
CVSS V2 Medium 5.5
CVSS V3 High 8.1
Description
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
Overview
- CVE ID
- CVE-2021-25741
- Assigner
- jordan@liggitt.net
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-20T17:15:08
- Last Modified Date
- 2021-11-30T22:42:34
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.19.14 | |
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.20.0 | 1.20.10 |
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.21.0 | 1.21.4 |
| cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:* | 1 | OR | 1.22.0 | 1.22.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 8.1
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s | Mailing List Mitigation |
| https://github.com/kubernetes/kubernetes/issues/104980 | Mitigation Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20211008-0006/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-25741 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25741 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:43:56 | Added to TrackCVE | |||
| 2022-12-05 11:01:53 | security@kubernetes.io | jordan@liggitt.net | CVE Assigner | updated |
| 2022-12-05 11:01:53 | 2021-09-20T17:15Z | 2021-09-20T17:15:08 | CVE Published Date | updated |
| 2022-12-05 11:01:53 | 2021-11-30T22:42:34 | CVE Modified Date | updated | |
| 2022-12-05 11:01:53 | Analyzed | Vulnerability Status | updated |