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Fencer Vulns
medium 6.6

CVE-2023-4399 json

Grafana is an open-source platform for monitoring and observability.

published 2023-10-17 3 y ago modified 2026-09-08 2 mo ago also BIT-grafana-2023-4399 , EUVD-2023-54262

cvss
6.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

Grafana is an open-source platform for monitoring and observability.

In Grafana Enterprise, Request security is a deny list that allows admins to configure Grafana in a way so that the instance doesn’t call specific hosts.

However, the restriction can be bypassed used punycode encoding of the characters in the request address.

Patch / fix

  • bitnami grafana 9.4.17, 9.5.13, 10.0.9, 10.1.5
  • Grafana Grafana Enterprise 9.4.17, 9.5.13, 10.0.9, 10.1.5

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.6 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami grafana
>=9.4.0, <9.4.17
>=9.5.0, <9.5.13
>=10.0.0, <10.0.9
>=10.1.0, <10.1.5
9.4.17
9.5.13
10.0.9
10.1.5

Affected products

  • Grafana Grafana Enterprise

Classification

Weakness
  • CWE-183 Permissive List of Allowed Inputs

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.