CVE-2021-37937

Elasticsearch privilege escalation

Description

An issue was found with how API keys are created with the Fleet-Server service account. When an API key is created with a service account, it is possible that the API key could be created with higher privileges than intended. Using this vulnerability, a compromised Fleet-Server service account could escalate themselves to a super-user.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.19%
Vendor Advisory elastic.co Vendor Advisory elastic.co
Affected: Elastic Elasticsearch
Published at:
Updated at:

References

Link Tags
https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077 vendor advisory
https://www.elastic.co/community/security vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-37937?
CVE-2021-37937 has been scored as a medium severity vulnerability.
How to fix CVE-2021-37937?
To fix CVE-2021-37937, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37937 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-37937 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-37937?
CVE-2021-37937 affects Elastic Elasticsearch.
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