CVE-2021-37937 json
Elasticsearch privilege escalation
published 2023-11-22 2 y ago modified 2026-09-08 2 mo ago also BIT-elasticsearch-2021-37937 , EUVD-2021-24413
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami elasticsearch 7.14.1
- Elastic Elasticsearch 7.14.0
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | elasticsearch | >=7.13.0, <7.14.1 |
7.14.1 |
Affected products
- Elastic Elasticsearch
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
References
-
discuss.elastic.co
/t/elastic-stack-7-14-1-security-update/283077
vendor-advisory, advisory
-
elastic.co
/community/security
vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-37937
web
Sources
- CVE List CVE-2021-37937
- NVD CVE-2021-37937
- OSV BIT-elasticsearch-2021-37937
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