Information disclosure in Elastic Fleet Server

CVE-2023-46667

An issue was discovered in Fleet Server >= v8.10.0 and < v8.10.3 where Agent enrolment tokens are being inserted into the Fleet Server’s log file in plain text. These enrolment tokens could allow someone to enrol an agent into an agent policy, and potentially use that to retrieve other secrets in the policy including for Elasticsearch and third-party services. Alternatively a threat actor could potentially enrol agents to the clusters and send arbitrary events to Elasticsearch.

EPSS: 0.005 (38.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-46667?
CVE-2023-46667 is a high-severity vulnerability in Elastic Fleet Server, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.1/10. Published 2023-10-26.
How severe is CVE-2023-46667?
High severity. CVSS v3 base score is 8.1 out of 10.