CVE-2023-31421

Source
https://cve.org/CVERecord?id=CVE-2023-31421
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31421.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-31421
Published
2023-10-26T04:15:16Z
Modified
2026-03-14T12:05:18.539411Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

It was discovered that when acting as TLS clients, Beats, Elastic Agent, APM Server, and Fleet Server did not verify whether the server certificate is valid for the target IP address; however, certificate signature validation is still performed. More specifically, when the client is configured to connect to an IP address (instead of a hostname) it does not validate the server certificate's IP SAN values against that IP address and certificate validation fails, and therefore the connection is not blocked as expected.

References

Affected packages

Git / github.com/elastic/apm-server

Affected ranges

Type
GIT
Repo
https://github.com/elastic/apm-server
Events
Database specific
{
    "versions": [
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.9.2"
        },
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.9.2"
        },
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.9.2"
        },
        {
            "introduced": "8.0.0"
        },
        {
            "last_affected": "8.9.2"
        }
    ]
}

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31421.json"