CVE-2020-27846
CVSS V2 High 10
CVSS V3 Critical 9.8
Description
A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Overview
- CVE ID
- CVE-2020-27846
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-21T16:15:13
- Last Modified Date
- 2021-03-31T15:17:52
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:* | 1 | OR | 6.7.5 | |
| cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:* | 1 | OR | 7.0.0 | 7.2.3 |
| cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:* | 1 | OR | 7.3.0 | 7.3.6 |
| cpe:2.3:a:saml_project:saml:*:*:*:*:*:*:*:* | 1 | OR | 0.4.3 | |
| cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:redhat:openshift_service_mesh:2.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 10
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1907670 | Issue Tracking Patch Third Party Advisory |
| https://grafana.com/blog/2020/12/17/grafana-6.7.5-7.2.3-and-7.3.6-released-with-important-security-fix-for-grafana-enterprise/ | Vendor Advisory |
| https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ | Exploit Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210205-0002/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27846 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27846 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:17:38 | Added to TrackCVE | |||
| 2022-12-05 18:36:57 | 2020-12-21T16:15Z | 2020-12-21T16:15:13 | CVE Published Date | updated |
| 2022-12-05 18:36:57 | 2021-03-31T15:17:52 | CVE Modified Date | updated | |
| 2022-12-05 18:36:57 | Analyzed | Vulnerability Status | updated |