THREATPORT/VULNERABILITY/CVE-2021-28148
HIGH SEVERITY

CVE-2021-28148

Grafana vulnerability

CVSS
7.5
EPSS
3.5%
EPSS pct
88th
Exploited
No known
One of the usage insights HTTP API endpoints in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 is accessible without any authentication. This allows any unauthenticated user to send an unlimited number of requests to the endpoint, leading to a denial of service (DoS) attack against a Grafana Enterprise instance.
Affected vendor
Grafana
Affected product
Grafana
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-306 — Missing Authentication for Critical Function
Published
2021-03-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2021-28148

  • Confirm whether Grafana Grafana is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-28148.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-28148

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