CVE-2021-31999
CVSS V2 Medium 6.5
CVSS V3 High 8.8
Description
A Reliance on Untrusted Inputs in a Security Decision vulnerability in Rancher allows users in the cluster to act as others users in the cluster by forging the "Impersonate-User" or "Impersonate-Group" headers. This issue affects: Rancher versions prior to 2.5.9. Rancher versions prior to 2.4.16.
Overview
- CVE ID
- CVE-2021-31999
- Assigner
- meissner@suse.de
- Vulnerability Status
- Analyzed
- Published Version
- 2021-07-15T09:15:08
- Last Modified Date
- 2021-07-30T13:42:13
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:* | 1 | OR | 2.4.16 | |
| cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:* | 1 | OR | 2.5.0 | 2.5.9 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
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:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1187084 | Issue Tracking Release Notes Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-31999 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31999 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:59:03 | Added to TrackCVE | |||
| 2022-12-05 06:13:38 | security@suse.com | meissner@suse.de | CVE Assigner | updated |
| 2022-12-05 06:13:38 | 2021-07-15T09:15Z | 2021-07-15T09:15:08 | CVE Published Date | updated |
| 2022-12-05 06:13:38 | 2021-07-30T13:42:13 | CVE Modified Date | updated | |
| 2022-12-05 06:13:38 | Analyzed | Vulnerability Status | updated |