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ExploitedIn CISA KEVFix available

CVE-2021-43798

Exploitation confirmed. First attested on 2023-10-18 by CISA-ADP, CISA KEV, GCVE · kevintel, GCVE · shadowserver.

  • Published2021-12-07
  • Fixed in8.3.1 · 8.2.7 · 8.1.8 · 8.0.7
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-12-0719:15CVE publishedNVD
  2. 2021-12-09Exploit-DB entryExploit-DB
  3. 2023-10-1816:23Listed as exploited by GCVEGCVE
  4. 2023-10-1816:23Exploitation first reportedGCVE
  5. 2025-10-09Added to the CISA KEV catalogCISA KEV
  6. 2025-10-0903:55SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-43798?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-43798?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
Grafana
BranchAffectedFixed in
8.3≥ 8.3.0, < 8.3.18.3.1
8.2≥ 8.2.0, < 8.2.78.2.7
8.1≥ 8.1.0, < 8.1.88.1.8
8.0≥ 8.0.1, < 8.0.78.0.7
8.0≥ 8.0.0-beta1, < 8.0.78.0.7
8.0= 8.0.0no fix published
8.3= 8.3.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • grafana
    Affected
    • = >= 8.0.0, < 8.0.7no fix stated
    • = >= 8.1.0, < 8.1.8no fix stated
    • = >= 8.2.0, < 8.2.7no fix stated
    • = = 8.3.0no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2021-12-29

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • ansibleSUSE:Manager Client Tools 15-BETAall versions · fixed in 2.9.27-159000.3.9.1
  • dracut-saltbootSUSE:Manager Client Tools for SLE Micro 5all versions · fixed in 0.1.1665997480.587fa10-150000.1.41.1
  • dracut-saltbootSUSE:Manager Client Tools Beta for SLE Micro 5all versions · fixed in 0.1.1681904360.84ef141-159000.3.30.1
  • dracut-saltbootSUSE:Manager Client Tools 15-BETAall versions · fixed in 0.1.1681904360.84ef141-159000.3.30.1
  • dracut-saltbootSUSE:Manager Client Tools 15all versions · fixed in 0.1.1665997480.587fa10-150000.1.41.1
  • dracut-saltbootopenSUSE:Leap 15.4all versions · fixed in 0.1.1665997480.587fa10-150000.1.41.1
  • dracut-saltbootopenSUSE:Leap 15.3all versions · fixed in 0.1.1665997480.587fa10-150000.1.41.1
  • golang-github-boynux-squid_exporterSUSE:Manager Proxy Module 4.3all versions · fixed in 1.6-150000.1.9.1

154 more package ranges on OSV.dev

Vendor advisories

  • CVE-2021-43798 Red Hat Product Security

    grafana: path traversal vulnerability

Full record on NVD

Fix

  1. Update Grafana to 8.3.1 · 8.2.7 · 8.1.8 · 8.0.7
  2. CISA’s 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.due 2025-10-30

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
EDB-50581
Exploit-DB
Proof-of-concept repositories
20 repositories, unverifiedtaythebot/CVE-2021-43798zer0yu/CVE-2021-43798jas502n/Grafana-CVE-2021-43798ScorpionsMAX/CVE-2021-43798-Grafana-POCMr-xn/CVE-2021-43798
PoC-in-GitHub
Metasploit modules
1 moduleauxiliary/scanner/http/grafana_plugin_traversalrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2025-10-09
Patch Due Date
2025-10-30
Ransomware Use
Unknown
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.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2021-12-07
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-8pjx-jj86-j47p

Frequently asked questions

What is CVE-2021-43798?

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.

Is CVE-2021-43798 actively exploited?

Yes. CVE-2021-43798 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2025-10-30.

What is the CVSS score for CVE-2021-43798?

CVE-2021-43798 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record