High severity · published Nov 22, 2023
CVE-2021-37937
An issue was found with how API keys are created with the Fleet-Server service account
8.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Elasticsearch · Elastic
7.13.0 through 7.14.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37937
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37937
Vendor Advisory
https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077
Vendor Advisory
https://www.elastic.co/community/security
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