#VU64414 Input validation error in Grafana Enterprise Metrics - CVE-2021-31231

Vulnerability identifier: #VU64414

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-31231

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Grafana Enterprise Metrics
Web applications / Remote management & hosting panels

Vendor: Grafana Labs

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input in the Alertmanager in Grafana Enterprise Metrics. A local user can pass specially crafted input to the application and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Grafana Enterprise Metrics: 0.0.1 - 1.2.0

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External links
https://community.grafana.com/c/security-announcements
https://grafana.com/docs/metrics-enterprise/latest/downloads/#v121----april-27-2021
https://grafana.com/docs/metrics-enterprise/latest/downloads/#v113----april-27-2021
https://grafana.com/docs/metrics-enterprise/
https://security.netapp.com/advisory/ntap-20210611-0001/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.