CVE-2021-43798

HIGHNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-10-09), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Trending — 3 sources updated this weekExploited in the wild
7.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 89%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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: /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 v3
7.5
EG Score
9.0(high)
EG Risk
96(Attend)
EG Risk 96/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.8%
KEV
⚠ Exploited

Published

December 7, 2021

Last Modified

October 24, 2025

Advisory Details (7)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: github, github_commit.
generic

Packet Storm

http://packetstormsecurity.com/files/165198/Grafana-Arbitrary-File-Reading.html
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20211229-0004/
generic🔴 Active Exploitation

An update on 0day CVE-2021-43798: Grafana directory traversal | Grafana Labs

https://grafana.com/blog/2021/12/08/an-update-on-0day-cve-2021-43798-grafana-directory-traversal/
github Patch Available

Grafana path traversal · Advisory · grafana/grafana · GitHub

https://github.com/grafana/grafana/security/advisories/GHSA-8pjx-jj86-j47p
github_commit Patch Available

commit c798c0e958d1 (grafana/grafana)

Patch available: grafana/grafana v12.2.5 (contains commit c798c0e958d1)

https://github.com/grafana/grafana/commit/c798c0e958d15d9cc7f27c72113d572fa58545ce
generic

oss-security - CVE-2021-43813 and CVE-2021-43815 - Grafana directory traversal for some .md and .csv files

http://www.openwall.com/lists/oss-security/2021/12/10/4
generic

oss-security - CVE-2021-43798 Grafana directory traversal

http://www.openwall.com/lists/oss-security/2021/12/09/2

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
github.com/grafana/grafana—8.0.7—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 27× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-23 02:05 UTCEG score recompute
  3. 2026-07-22 22:51 UTCEG score recompute
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 16:42 UTCEG score recompute
  6. 2026-07-22 14:06 UTCEPSS rescore
  7. 2026-07-21 14:37 UTCCISA KEV update
  8. 2026-07-20 20:44 UTCEG score recompute
  9. 2026-07-20 17:05 UTCEPSS rescore
  10. 2026-07-17 08:56 UTCEG score recompute
  11. 2026-07-16 17:04 UTCCISA KEV update
  12. 2026-07-15 16:49 UTCCISA KEV update
  13. 2026-07-15 15:04 UTCCISA KEV update
  14. 2026-07-15 01:58 UTCEPSS rescore
  15. 2026-07-14 18:05 UTCCISA KEV update
  16. 2026-07-13 17:07 UTCCISA KEV update
  17. 2026-07-10 17:52 UTCCISA KEV update
  18. 2026-07-07 19:01 UTCCISA KEV update
  19. 2026-07-07 17:16 UTCCISA KEV update
  20. 2026-07-06 16:25 UTCEPSS rescore
  21. 2026-07-06 16:25 UTCEPSS rescore
  22. 2026-07-01 19:16 UTCCISA KEV update
  23. 2026-07-01 15:04 UTCEPSS rescore
  24. 2026-06-29 19:12 UTCCISA KEV update
  25. 2026-06-28 04:54 UTCEPSS rescore
Show 32 more
  1. 2026-06-28 04:54 UTCEPSS rescore
  2. 2026-06-25 19:15 UTCCISA KEV update
  3. 2026-06-24 14:03 UTCEPSS rescore
  4. 2026-06-24 14:03 UTCEPSS rescore
  5. 2026-06-23 21:31 UTCEPSS rescore
  6. 2026-06-23 21:31 UTCEPSS rescore
  7. 2026-06-23 17:44 UTCCISA KEV update
  8. 2026-06-22 14:24 UTCEPSS rescore
  9. 2026-06-18 16:13 UTCCISA KEV update
  10. 2026-06-17 17:51 UTCEPSS rescore
  11. 2026-06-17 17:51 UTCEPSS rescore
  12. 2026-06-17 17:51 UTCEPSS rescore
  13. 2026-06-16 19:33 UTCCISA KEV update
  14. 2026-06-15 19:33 UTCCISA KEV update
  15. 2026-06-15 17:46 UTCEPSS rescore
  16. 2026-06-12 17:35 UTCCISA KEV update
  17. 2026-06-11 19:10 UTCCISA KEV update
  18. 2026-06-09 18:42 UTCCISA KEV update
  19. 2026-06-09 17:12 UTCCISA KEV update
  20. 2026-06-08 19:16 UTCCISA KEV update
  21. 2026-06-08 17:26 UTCCISA KEV update
  22. 2026-06-05 22:43 UTCCISA KEV update
  23. 2026-06-03 19:09 UTCCISA KEV update
  24. 2026-06-02 18:32 UTCCISA KEV update
  25. 2026-06-01 20:42 UTCCISA KEV update
  26. 2026-05-29 22:20 UTCCISA KEV update
  27. 2026-05-27 20:35 UTCCISA KEV update
  28. 2026-05-26 19:13 UTCCISA KEV update
  29. 2026-05-26 07:17 UTCEPSS rescore
  30. 2026-05-26 07:17 UTCEPSS rescore
  31. 2026-05-26 07:17 UTCEPSS rescore
  32. 2026-05-26 06:48 UTCEG score recompute

Publicly available exploits

(10 references)

Working exploit code is in the public domain (9 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCpedrohavay/exploit-grafana-CVE-2021-43798
    First seen Dec 11, 2021

    This is a proof-of-concept exploit for Grafana's Unauthorized Arbitrary File Read Vulnerability (CVE-2021-43798).

    Open source ↗
  • Exploit-DBEDB-50581
    First seen Dec 9, 2021

    Grafana 8.3.0 - Directory Traversal and Arbitrary File Read

    Open source ↗
  • GitHub PoCMo0ns/Grafana_POC-CVE-2021-43798
    First seen Dec 9, 2021

    Grafana-POC任意文件读取漏洞(CVE-2021-43798)

    Open source ↗
  • GitHub PoCMoCh3n/CVE-2021-43798-grafana_fileread
    First seen Dec 8, 2021

    grafana CVE-2021-43798任意文件读取漏洞POC，采用多插件轮训检测的方法，允许指定单URL和从文件中读取URL

    Open source ↗
  • GitHub PoCjas502n/Grafana-CVE-2021-43798
    First seen Dec 7, 2021

    Grafana Unauthorized arbitrary file reading vulnerability

    Open source ↗
  • GitHub PoCA-D-Team/grafanaExp
    First seen Dec 7, 2021

    A exploit tool for Grafana Unauthorized arbitrary file reading vulnerability (CVE-2021-43798), it can burst plugins / extract secret_key / decrypt data_source info automatic.

    Open source ↗
  • GitHub PoCzer0yu/CVE-2021-43798
    First seen Dec 7, 2021

    Grafana Arbitrary File Reading Vulnerability

    Open source ↗
  • GitHub PoCMr-xn/CVE-2021-43798
    First seen Dec 7, 2021

    CVE-2021-43798:Grafana 任意文件读取漏洞

    Open source ↗
  • GitHub PoCScorpionsMAX/CVE-2021-43798-Grafana-POC
    First seen Dec 7, 2021

    CVE-2021-43798 Grafana 任意文件读取漏洞 POC+参数

    Open source ↗
  • GitHub PoCasaotomo/CVE-2021-43798-Grafana-Exp
    First seen Dec 7, 2021

    Grafanav8.*版本任意文件读取漏洞批量检测工具：该漏洞目前为0day漏洞，未授权的攻击者利用该漏洞，能够获取服务器敏感文件。

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2021-43798?
CVE-2021-43798 is a high vulnerability published on December 7, 2021. 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: <grafanahosturl>/public/plugins//, where is the plugin ID…
When was CVE-2021-43798 disclosed?
CVE-2021-43798 was first published in the National Vulnerability Database on December 7, 2021, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-43798 actively exploited?
Yes. CISA added CVE-2021-43798 to the Known Exploited Vulnerabilities catalog on October 9, 2025, affecting Grafana Labs Grafana. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2021-43798?
CVE-2021-43798 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2021-43798?
CVE-2021-43798 affects Grafana Labs Grafana. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2021-43798?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-43798, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-43798

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