CVEvulnerability
CVE-2020-27846
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2020-12-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-115
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.
Affected configurations
• grafana grafana (< 6.7.5)
• grafana grafana (>= 7.0.0 < 7.2.3)
• grafana grafana (>= 7.3.0 < 7.3.6)
• saml project saml (< 0.4.3)
• redhat openshift container platform 3.11
• redhat openshift container platform 4.0
• redhat openshift service mesh 2.0
• redhat enterprise linux 8.0
• fedoraproject fedora 32
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-115 Misinterpretation of Input weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1907670 Issue Tracking, Patch, Third Party Advisory
- https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ lists.fedoraproject.org
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210205-0002/ Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1907670 Issue Tracking, Patch, Third Party Advisory
- https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ lists.fedoraproject.org
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ Exploit, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210205-0002/ Third Party Advisory