UBUNTU-CVE-2025-37731

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Source

https://ubuntu.com/security/CVE-2025-37731

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-37731.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2025-37731

Upstream

CVE-2025-37731

Published

2025-12-15T11:15:00Z

Modified

2025-12-19T18:06:50.920082Z

Severity

6.8 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
7.4 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.

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

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-37731.json"