CVE-2021-37937

highpriority · track · 35EPSS 0.007 · 53 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.71% (53rd) EPSS

CVSS 8.8 · high

Is it mine?

12 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Nsecondary · security@elastic.coexploitability 0.7 · impact 5.2

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269US

affected products (12)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Dell Secure Connect Gateway <5.36.00.16all versionscert_bundDE
F5 BIG-IPall versionscert_bundDEcpe:/a:f5:big-ip:-
Open Source Elasticsearch <7.14.1all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Dell Secure Connect Gateway< 5.36.00.16cert_bundDE
Open Source Elasticsearch< 7.14.1cert_bundDE
Elastic Elasticsearch7.13.0 → 7.14.0enisa_euvdEU
elastic elasticsearch7.13.0 → 7.14.0nvdUScpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*
Bitnami elasticsearch7.13.0 → 7.14.1osvUSpkg:bitnami/elasticsearch

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-0029Elasticsearch und Kibana: Mehrere SchwachstellenDeutsch2021-09-01csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Elasticsearch und Kibana ausnutzen, um beliebigen Programmcode auszuführen, um Informationen offenzulegen, um einen Cross-Site Scripting Angriff durchzuführen und um Administratorrechte zu erlangen.
BIT-elasticsearch-2021-37937Elasticsearch privilege escalation2024-03-06vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2023-11-22modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan