UBUNTU-CVE-2021-37937

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Source
https://ubuntu.com/security/CVE-2021-37937
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-37937.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-37937
Upstream
Published
2023-11-22T02:15:00Z
Modified
2025-10-24T04:50:27Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:16.04:LTS / elasticsearch

Package

Name
elasticsearch
Purl
pkg:deb/ubuntu/elasticsearch@1.7.3+dfsg-3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6.2+dfsg-1
1.7.3+dfsg-1
1.7.3+dfsg-2
1.7.3+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "elasticsearch",
            "binary_version": "1.7.3+dfsg-3"
        },
        {
            "binary_name": "libelasticsearch1.7-java",
            "binary_version": "1.7.3+dfsg-3"
        }
    ]
}