Grafana Enterprise Restrictions permissive list of allowed inputs

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Grafana Enterprise. It has been rated as critical. This issue affects some unknown processing of the component Restrictions Handler. This manipulation causes permissive list of allowed inputs. The identification of this vulnerability is CVE-2023-4399. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Grafana Enterprise (version unknown). Affected by this vulnerability is an unknown function of the component Restrictions Handler. The manipulation with an unknown input leads to a permissive list of allowed inputs vulnerability. The CWE definition for the vulnerability is CWE-183. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are explicitly allowed by policy because the inputs are assumed to be safe, but the list is too permissive - that is, it allows an input that is unsafe, leading to resultant weaknesses. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was shared 10/17/2023. The advisory is shared at grafana.com. This vulnerability is known as CVE-2023-4399 since 08/17/2023. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 276108 (TencentOS Server 4: grafana (TSSA-2024:0907)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (276108). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 4.1
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 6.6
CNA Vector (Grafana Labs): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Permissive list of allowed inputs
CWE: CWE-183 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276108
Nessus Name: TencentOS Server 4: grafana (TSSA-2024:0907)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/17/2023 🔍
10/17/2023 +61 days 🔍
10/17/2023 +0 days 🔍
11/24/2025 +769 days 🔍

Sourcesinfo

Advisory: grafana.com
Status: Confirmed

CVE: CVE-2023-4399 (🔍)
GCVE (CVE): GCVE-0-2023-4399
GCVE (VulDB): GCVE-100-242389

Entryinfo

Created: 10/17/2023 10:47
Updated: 11/24/2025 14:04
Changes: 10/17/2023 10:47 (46), 10/17/2023 13:53 (1), 11/03/2023 18:26 (11), 11/24/2025 14:04 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

 Anonymous User (+0)
3 years ago
Good afternoon,
Could You align to the official NVD Nist cpe "cpe:2.3:a:grafana:grafana"?
We would appreciate it very much.
Best Regards,
TEAM CERT
 VulDB Community Team3 years ago
Thank you, we have just aligned the CPE.

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