What is the vulnerability ID for this Elasticsearch privilege escalation vulnerability?

The vulnerability ID for this Elasticsearch privilege escalation vulnerability is CVE-2021-37937.

What is the severity level of CVE-2021-37937?

The severity level of CVE-2021-37937 is high with a score of 8.8.

Which versions of Elasticsearch are affected by CVE-2021-37937?

Versions between 7.13.0 and 7.14.0 of Elasticsearch are affected by CVE-2021-37937.

How can this vulnerability be exploited?

A compromised Fleet-Server service account could potentially create API keys with higher privileges than intended.

Where can I find more information about CVE-2021-37937?

You can find more information about CVE-2021-37937 in the following references: [link1](https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077) and [link2](https://www.elastic.co/community/security).

Vulnerability/
CVE-2021-37937

high

8.8

CWE

269

22/11/2023

4/8/2024

CVE-2021-37937: Elasticsearch privilege escalation

First published: Wed Nov 22 2023(Updated: )

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.

Credit: bressers@elastic.co

Affected Software	Affected Version	How to fix
Elastic	>=7.13.0<=7.14.0

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Frequently Asked Questions

What is the vulnerability ID for this Elasticsearch privilege escalation vulnerability?
The vulnerability ID for this Elasticsearch privilege escalation vulnerability is CVE-2021-37937.
What is the severity level of CVE-2021-37937?
The severity level of CVE-2021-37937 is high with a score of 8.8.
Which versions of Elasticsearch are affected by CVE-2021-37937?
Versions between 7.13.0 and 7.14.0 of Elasticsearch are affected by CVE-2021-37937.
How can this vulnerability be exploited?
A compromised Fleet-Server service account could potentially create API keys with higher privileges than intended.
Where can I find more information about CVE-2021-37937?
You can find more information about CVE-2021-37937 in the following references: [link1](https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077) and [link2](https://www.elastic.co/community/security).

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