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CVE-2022-44643

Access policy with access to all tenants and using label selectors has more access

Medium5.7EPSS 0.51%
Published
Updated
Reserved
Assigned by
mitre

Description

A vulnerability in the label-based access control of Grafana Labs Grafana Enterprise Metrics allows an attacker more access than intended. If an access policy which has label selector restrictions also has been granted access to all tenants in the system, the label selector restrictions will not be applied when using this policy with the affected versions of the software. This issue affects: Grafana Labs Grafana Enterprise Metrics GEM 1.X versions prior to 1.7.1 on AMD64; GEM 2.X versions prior to 2.3.1 on AMD64.

Scores

CVSS scores of CVE-2022-44643, by who scored it
Scored byCVSSScoreVector
mitreCNA (assigner)3.1Medium5.7CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.51% · top 57% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.

Weakness

Affected products

  • n/a

    • affected n/a

What to do

Solution: Upgrade to 1.7.1 and higher in 1.X line, and 2.3.1 and higher in 2.X line

Workaround: If upgrading is not possible, discontinue use of access policies with label selector restrictions.

Exploitation: In Grafana Enterprise Metrics, after creating an Access Policy which is granted access to all tenants as well as specified a specific label matcher, the label matcher is erroneously not propagated to queries performed with this access policy, so more access is granted to the policy than intended.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .