CVE-2021-43798 on CISA KEV

Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugin

01What CISA says about this vulnerability

Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugins//`, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to…

02Required action — verbatim from CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

03Notes & references

• github.com — https://github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47p
• github.com — https://github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545…
• packetstormsecurity.com — http://packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.html
• grafana.com — https://grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-43798-grafana-dir…
• packetstormsecurity.com — http://packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Ar…
• www.openwall.com — http://www.openwall.com/lists/oss-security/2021/12/09/2
• www.openwall.com — http://www.openwall.com/lists/oss-security/2021/12/10/4
• security.netapp.com — https://security.netapp.com/advisory/ntap-20211229-0004/

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
grafana	grafana	>= 8.0.0, < 8.0.7, >= 8.1.0, < 8.1.8, >= 8.2.0, < 8.2.7, = 8.3.0

06Detection

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