CVE-2021-392269.8CriticalCWE-287

CVE-2021-39226: Snapshot authentication bypass in grafana

grafana

Vendor fix available · Affected: grafana · Exploitation: in CISA KEV since 25 Aug 2022

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue25 Aug 2022
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

99.9%probability of exploitation in the next 30 days

99th percentile

050100

Higher than 99% of scored CVEs

9.8CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

Grafana is an open source data visualization platform. In affected versions unauthenticated and authenticated users are able to view the snapshot with the lowest database key by accessing the literal paths: /dashboard/snapshot/:key, or /api/snapshots/:key. If the snapshot "public_mode" configuration setting is set to true (vs default of false), unauthenticated users are able to delete the snapshot with the lowest database key by accessing the literal path: /api/snapshots-delete/:deleteKey. Regardless of the snapshot "public_mode" setting, authenticated users are able to delete the snapshot with the lowest database key by accessing the literal paths: /api/snapshots/:key, or /api/snapshots-delete/:deleteKey. The combination of deletion and viewing enables a complete walk through all snapshot data while resulting in complete snapshot data loss. This issue has been resolved in versions 8.1.6 and 7.5.11. If for some reason you cannot upgrade you can use a reverse proxy or similar to block access to the literal paths: /api/snapshots/:key, /api/snapshots-delete/:deleteKey, /dashboard/snapshot/:key, and /api/snapshots/:key. They have no normal function and can be disabled without side effects.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

grafana · grafana>= 8.0.0, < 8.1.6; < 7.5.11

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 25 Aug 2022 · catalogue entry
Public check: Grafana Snapshot - Authentication Bypass · nuclei template in projectdiscovery/nuclei-templates
Weakness: Improper Authentication · Authentication
Vendor: grafana
Published: October 2021
Band: Exploited in the wild, October 2021
Bounty reports: 1 disclosed on HackerOne

Disclosed bug bounty reports about CVE-2021-39226

The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.

CVE-2021-39226 Discovered on endpoint https://██████/api/snapshotsU.S. Dept Of Defense · 2024 · high severityValid

What changed

25 Aug 2022
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2021-39226 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.