#VU64406 Resource exhaustion in Grafana - CVE-2021-27358
Published: June 15, 2022 / Updated: September 3, 2022
Vulnerability identifier: #VU64406
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2021-27358
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Grafana
Grafana
Software vendor:
Grafana Labs
Grafana Labs
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in Grafana when anonymous access is enabled. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack via a remote API call.
Remediation
Install updates from vendor's website.
External links
- https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-2/
- https://github.com/grafana/grafana/blob/master/CHANGELOG.md
- https://github.com/grafana/grafana/blob/master/CHANGELOG.md#742-2021-02-17
- https://security.netapp.com/advisory/ntap-20210513-0007/
- https://bugzilla.redhat.com/show_bug.cgi?id=1941024