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VULNERABILITIES

CVE-2021-31232 Details

Description

The Alertmanager in CNCF Cortex before 1.8.1 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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://community.grafana.com/c/security-announcements CVEThird Party Advisory
https://github.com/cortexproject/cortex CVEThird Party Advisory
https://github.com/cortexproject/cortex/pull/4129/files CVEPatchThird Party Advisory
https://lists.cncf.io/g/cortex-users/message/50 CVERelease NotesVendor Advisory
https://community.grafana.com/c/security-announcements [email protected]Third Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
linuxfoundation cortex
< 1.8.1

CPE

  • cpe:2.3:a:linuxfoundation:cortex:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-31232
NVD Published Date:
Apr 30, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-31232 Details - Not Deferred