7.5

CVE-2021-43798: Grafana Path Traversal Vulnerability

KEV
Analyzed
AliasesUBUNTU-CVE-2021-43798GHSA-8pjx-jj86-j47pBIT-grafana-2021-43798
Published 07-12-2021Last modified 21-10-2025

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.

Priority
Act nowlisted as exploited

Listed as exploited by CISA (09-10-2025)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
88.50%
0%100%
Critical · 0.00 pp in 30 days
KEVExploited in the wildCritical · listed in 1 catalog
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference, exploit-database, metasploit

Advisory lineage

Upstream 0 · Downstream 12 · Related 12

Timeline

  1. 07-12-2021
    PublishedVulnerability first disclosed.
  2. 09-10-2025
    Added to CISA KEVExploitedGrafana Path Traversal Vulnerability
  3. 21-10-2025
    Last modifiedVulnerability information updated.
  4. 30-10-2025
    CISA 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

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

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
09-10-2025
Federal due date
30-10-2025
ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

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 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasemultipleUnverified

    Grafana 8.3.0 - Directory Traversal and Arbitrary File Read

    Maturity: poc

  • MetasploitMetasploitremoteUnverified

    Grafana Plugin Path Traversal

    auxiliary/scanner/http/grafana_plugin_traversal

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

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
Show all 17 references