CVE-2017-8444
CVE-2017-8444 is a medium-severity vulnerability in Elasticsearch Cloud Enterprise with a CVSS 3.x base score of 5.9. 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-319.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-319
- Affected product: Elasticsearch Cloud Enterprise
- Published:
- Last modified:
Description
The client-forwarder in Elastic Cloud Enterprise versions prior to 1.0.2 do not properly encrypt traffic to ZooKeeper. If an attacker is able to man in the middle (MITM) the traffic between the client-forwarder and ZooKeeper they could potentially obtain sensitive data.
Frequently asked questions
- What is CVE-2017-8444?
- The client-forwarder in Elastic Cloud Enterprise versions prior to 1.0.2 do not properly encrypt traffic to ZooKeeper. If an attacker is able to man in the middle (MITM) the traffic between the client-forwarder and ZooKeeper they could potentially obtain sensitive data.
- How severe is CVE-2017-8444?
- CVE-2017-8444 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2017-8444 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-8444?
- CVE-2017-8444 primarily affects Elasticsearch Cloud Enterprise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-8444?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-8444 published?
- CVE-2017-8444 was published on 2017-09-29 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:elasticsearch:cloud_enterprise:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:elasticsearch:cloud_enterprise:1.0.1:*:*:*:*:*:*:*
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