CVE-2021-27358
First published: Wed Feb 17 2021(Updated: )
A flaw was found in Grafana. The snapshot feature allows unauthenticated remote attackers to trigger a denial of service (DoS) via a remote API call if anonymous access is enabled. The highest threat from this vulnerability is to system availability.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| go/github.com/grafana/grafana | >=6.7.3<7.4.2 | 7.4.2 |
| redhat/grafana | <7.4.2 | 7.4.2 |
| redhat/grafana | <0:7.5.9-4.el8 | 0:7.5.9-4.el8 |
| Grafana Grafana | >=6.7.3<=7.4.1 | |
| Netapp E-series Performance Analyzer |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2021-27358
- https://github.com/grafana/grafana/pull/31263
- https://github.com/grafana/grafana/blob/master/CHANGELOG.md
- https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2/
- https://security.netapp.com/advisory/ntap-20210513-0007/
- https://github.com/advisories/GHSA-h5rh-w6vm-9ghc (Advisory)
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1941025
- https://github.com/grafana/grafana/commit/064546f3823ea40f59c22832f1966524f798f8be
- https://access.redhat.com/errata/RHSA-2021:3016
- https://access.redhat.com/security/cve/cve-2021-27358
- https://access.redhat.com/errata/RHSA-2021:4226
- https://bugzilla.redhat.com/show_bug.cgi?id=1941024
- https://www.cve.org/CVERecord?id=CVE-2021-27358 https://nvd.nist.gov/vuln/detail/CVE-2021-27358 https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2/
Frequently Asked Questions
What is CVE-2021-27358?
CVE-2021-27358 is a vulnerability in Grafana that allows unauthenticated remote attackers to trigger a Denial of Service.
How does CVE-2021-27358 affect Grafana?
CVE-2021-27358 affects Grafana versions before 7.4.2.
How can an attacker exploit CVE-2021-27358?
An attacker can exploit CVE-2021-27358 by making a remote API call to the snapshot feature in Grafana.
What is the severity of CVE-2021-27358?
CVE-2021-27358 has a severity rating of high.
How can I fix CVE-2021-27358?
To fix CVE-2021-27358, upgrade Grafana to version 7.4.2 or higher.
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