Vulnerability Monitor

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CVE-2021-31231

The Alertmanager in Grafana Enterprise Metrics before 1.2.1 and Metrics Enterprise 1.2.1 has a local file disclosure vulnerability when experimental.alertmanager.enable-api is used. The HTTP basic auth password_file can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack vector to send any file content because the alertmanager can load any text file specified in the templates list.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.5, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 1 product from grafana organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-04-30T13:15:07.547

Last Modified

2024-11-21T06:05:20.887

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	grafana	enterprise_metrics	< 1.2.1	Yes
Application	grafana	enterprise_metrics	< 1.2.1	Yes

References

https://community.grafana.com/c/security-announcements Broken Link, Vendor Advisory ([email protected])
https://grafana.com/docs/metrics-enterprise/ Product, Vendor Advisory ([email protected])
https://grafana.com/docs/metrics-enterprise/latest/downloads/#v113----april-27-2021 Release Notes, Vendor Advisory ([email protected])
https://grafana.com/docs/metrics-enterprise/latest/downloads/#v121----april-27-2021 Release Notes, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210611-0001/ Third Party Advisory ([email protected])
https://community.grafana.com/c/security-announcements Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://grafana.com/docs/metrics-enterprise/ Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://grafana.com/docs/metrics-enterprise/latest/downloads/#v113----april-27-2021 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://grafana.com/docs/metrics-enterprise/latest/downloads/#v121----april-27-2021 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210611-0001/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For grafana's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.