CVE-2021-39226: Snapshot authentication bypass in grafana
First published: Tue Oct 05 2021(Updated: )
An authentication bypass was found in grafana. An attacker on the network is able to view and delete snapshots by accessing a literal path.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/grafana | <0:7.3.6-3.el8_4 | 0:7.3.6-3.el8_4 |
| redhat/grafana | <0:6.2.2-7.el8_1 | 0:6.2.2-7.el8_1 |
| redhat/grafana | <0:6.3.6-3.el8_2 | 0:6.3.6-3.el8_2 |
| redhat/grafana | <7.5.11 | 7.5.11 |
| redhat/grafana | <8.1.6 | 8.1.6 |
| Grafana Labs Grafana OSS and Enterprise | <7.5.11 | |
| Grafana Labs Grafana OSS and Enterprise | >=8.0.0<8.1.6 | |
| Fedora | =34 | |
| Fedora | =35 | |
| go/github.com/grafana/grafana | >=8.0.0<8.1.6 | 8.1.6 |
| go/github.com/grafana/grafana | <7.5.11 | 7.5.11 |
| Grafana Image Renderer |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://www.cve.org/CVERecord?id=CVE-2021-39226 https://nvd.nist.gov/vuln/detail/CVE-2021-39226 https://github.com/grafana/grafana/security/advisories/GHSA-69j6-29vr-p3j9 https://grafana.com/blog/2021/10/05/grafana-7.5.11-and-8.1.6-released-with-critical-security-fix/
- https://bugzilla.redhat.com/show_bug.cgi?id=2011063
- https://access.redhat.com/errata/RHSA-2021:3771
- https://access.redhat.com/errata/RHSA-2021:3769
- https://access.redhat.com/errata/RHSA-2021:3770
- https://access.redhat.com/errata/RHSA-2022:6252
- https://access.redhat.com/errata/RHSA-2022:0056
- https://access.redhat.com/errata/RHSA-2022:6262
- https://access.redhat.com/errata/RHSA-2022:6322
- https://access.redhat.com/errata/RHSA-2022:6308
- https://access.redhat.com/errata/RHSA-2022:6317
- https://access.redhat.com/security/cve/cve-2021-39226
- https://github.com/grafana/grafana/commit/2d456a6375855364d098ede379438bf7f0667269
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-8-1-6/
- https://github.com/grafana/grafana/security/advisories/GHSA-69j6-29vr-p3j9
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-5-11/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2012164
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2029998
- https://grafana.com/blog/2021/10/05/grafana-7.5.11-and-8.1.6-released-with-critical-security-fix/;
- https://nvd.nist.gov/vuln/detail/CVE-2021-39226
- http://www.openwall.com/lists/oss-security/2021/10/05/4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DCKBFUSY6V4VU5AQUYWKISREZX5NLQJT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6ANHRDBXQT6TURLP2THM26ZPDINFBEG/
- https://security.netapp.com/advisory/ntap-20211029-0008/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DCKBFUSY6V4VU5AQUYWKISREZX5NLQJT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6ANHRDBXQT6TURLP2THM26ZPDINFBEG/
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-5-11
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-8-1-6
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DCKBFUSY6V4VU5AQUYWKISREZX5NLQJT
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6ANHRDBXQT6TURLP2THM26ZPDINFBEG
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DCKBFUSY6V4VU5AQUYWKISREZX5NLQJT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6ANHRDBXQT6TURLP2THM26ZPDINFBEG
- https://security.netapp.com/advisory/ntap-20211029-0008
- https://github.com/advisories/GHSA-69j6-29vr-p3j9 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2021-39226?
CVE-2021-39226 has been rated as a critical severity vulnerability.
How do I fix CVE-2021-39226?
To fix CVE-2021-39226, upgrade Grafana to version 7.5.11 or 8.1.6 or later.
What types of users can exploit CVE-2021-39226?
Both authenticated and unauthenticated users can exploit CVE-2021-39226 to view and delete snapshot data.
What versions of Grafana are affected by CVE-2021-39226?
CVE-2021-39226 affects Grafana versions prior to 7.5.11 and all versions of 6.x up to 6.3.6.
What functionality is impacted by CVE-2021-39226?
CVE-2021-39226 allows attackers to view and delete all snapshot data in Grafana.
- collector/redhat-cve
- agent/type
- agent/first-publish-date
- agent/remedy
- agent/author
- agent/severity
- agent/trending
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-39226
- agent/software-canonical-lookup
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- agent/title
- collector/mitre-cve
- source/MITRE
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-69j6-29vr-p3j9
- agent/last-modified-date
- agent/weakness
- agent/references
- agent/source
- agent/description
- agent/event
- collector/nvd-api
- collector/nvd-index
- exploited/true
- collector/cisa-known-exploited
- source/CISA
- agent/tags
- agent/softwarecombine
- collector/github-advisory
- package-manager/redhat
- vendor/grafana
- canonical/grafana labs grafana oss and enterprise
- version/grafana labs grafana oss and enterprise/8.0.0
- vendor/fedoraproject
- canonical/fedora
- version/fedora/34
- version/fedora/35
- package-manager/go
- vendor/grafana labs
- canonical/grafana image renderer