CVE-2023-46667
CVE-2023-46667 is a high-severity vulnerability in Elastic Fleet Server with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-532
- Affected product: Elastic Fleet Server
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-46667?
- CVE-2023-46667 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2023-46667 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-46667?
- CVE-2023-46667 affects Elastic Fleet Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-46667?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-46667 published?
- CVE-2023-46667 was published on 2023-10-26 and last updated on 2026-06-17.
References
- https://discuss.elastic.co/t/fleet-server-v8-10-3-security-update/344737
- https://www.elastic.co/community/security
Affected products (1)
- cpe:2.3:a:elastic:fleet_server:*:*:*:*:*:*:*:*
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