CVE-2021-39226
high
KEV
CVSS v3
—
CVSS v4 NEW
—
VIR risk
9.5
Description
Grafana contains an authentication bypass vulnerability that allows authenticated and unauthenticated users to view and delete all snapshot data, potentially resulting in complete snapshot data loss.
CISA KEV
- Vendor
- Grafana Labs
- Product
- Grafana
- Due date
- 2022-09-15
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 8.1.6-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/grafana/grafana | <7.5.11 | 7.5.11 |
| Go | github.com/grafana/grafana | >=8.0.0,<8.1.6 | 8.1.6 |
References
- https://www.suse.com/security/cve/CVE-2021-39226.html
- https://github.com/grafana/grafana/security/advisories/GHSA-69j6-29vr-p3j9
- https://nvd.nist.gov/vuln/detail/CVE-2021-39226
- https://github.com/grafana/grafana/commit/2d456a6375855364d098ede379438bf7f0667269
- https://github.com/grafana/grafana
- 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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39226
- http://www.openwall.com/lists/oss-security/2021/10/05/4
- https://errata.rockylinux.org/RLSA-2021:3771
- 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
- https://access.redhat.com/errata/RHSA-2021:3771
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.