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CVE-2023-4399

MEDIUM
Published 2023-10-17T07:09:03.015Z
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CVSS Score

V3.1
6.6
/10
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.166
Higher than 16.6% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
LOW

Description

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.

Understanding This Vulnerability

This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.

The severity rating (MEDIUM) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.

If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

References

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

Not EU Coordinated

Exploitation Status

No Known Exploitation

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

grafana
grafana enterprise

ENISA Scoring

CVSS Score (3.1)

6.6
/10
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L

EPSS Score

0.040
probability

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-6676-9pqr-4cw3

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:L

Advisory provided by GitHub Security Advisory Database. Published: October 17, 2023, Modified: February 13, 2025

References

Published: 2023-10-17T07:09:03.015Z
Last Modified: 2025-02-13T17:13:32.745Z
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