CVE-2021-43798: Grafana Path Traversal Vulnerability
Vulnerability summary
CVE-2021-43798 is a high (CVSS 7.5) vulnerability in Grafana Labs Grafana. It is known to be exploited: CISA lists it, first on 09-10-2025. EPSS estimates a 88.50% chance of exploitation in the next 30 days, higher than 99.7% of scored vulnerabilities. 3 public exploits are recorded.
Listed as exploited by CISA (09-10-2025)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 12Timeline
- 07-12-2021PublishedVulnerability first disclosed.
- 09-10-2025Added to CISA KEVExploitedGrafana Path Traversal Vulnerability
- 21-10-2025Last modifiedVulnerability information updated.
- 30-10-2025CISA remediation dueDeadline passedApply mitigations per vendor instructions.
Description
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 upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
88.50%
Chance of exploitation in the next 30 days
Percentile
100%
Versus all other CVEs
30-day change
No change 0.00 pp
From 88.50% on 04-10-2026
Known exploited
Compare KEV catalogs- Added
- 09-10-2025
- Federal due date
- 30-10-2025
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
CISA required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. grafana.com/blog/… nvd.nist.gov/vuln/detail/CVE-2021-43798
Public exploits
3 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Grafana 8.3.0 - Directory Traversal and Arbitrary File Read
Maturity: poc
Grafana Plugin Path Traversal
auxiliary/scanner/http/grafana_plugin_traversal
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- grafana≥ 8.0.1, < 8.2.7-r0 | ≥ 8.0.1, < 8.3.1-r0
Github.com/grafana1 product
- grafana≥ 8.3.0, < 8.3.1 | ≥ 8.2.0, < 8.2.7 | ≥ 8.1.0, < 8.1.8 | ≥ 8.0.0-beta1, < 8.0.7
Grafana1 product
- grafanaEOL≥ 8.0.0, < 8.0.7 | = 8.3.0 | ≥ 8.0.1, < 8.0.7 | ≥ 8.1.0, < 8.1.8 | ≥ 8.2.0, < 8.2.7 | 8.0.0:beta1 | 8.0.0:beta2 | 8.0.0:beta3 | 8.3.0
Ubuntu1 product
- grafanaAll versions (No fix recorded)
4 vendors · 4 products
References
17 links- github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47pX Refsource CONFIRMREPORTWEBPatchVendor Advisory
- github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545ceX Refsource MISCREPORTWEBPatchThird Party Advisory
- packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.htmlX Refsource MISCREPORTWEBThird Party AdvisoryVDB Entry
- grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-43798-grafana-directory-traversal/X Refsource CONFIRMVendor Advisory
- packetstormsecurity.com/files/165221/Grafana-8.3.0-Directory-Traversal-Arbitrary-File-Read.htmlX Refsource MISCWEBExploitThird Party AdvisoryVDB Entry
- www.openwall.com/lists/oss-security/2021/12/09/2Mailing ListX Refsource MLISTWEBPatchThird Party Advisory
- www.openwall.com/lists/oss-security/2021/12/10/4Mailing ListX Refsource MLISTWEBPatchThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-43798Government ResourceWEBUS Government Resource
Show all 17 references
- github.com/grafana/grafanaPACKAGE