CVE-2018-3817
CVE-2018-3817 is a medium-severity vulnerability in Elastic Logstash with a CVSS 3.x base score of 6.5. 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-200.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-200
- Affected product: Elastic Logstash
- Published:
- Last modified:
Description
When logging warnings regarding deprecated settings, Logstash before 5.6.6 and 6.x before 6.1.2 could inadvertently log sensitive information.
Frequently asked questions
- What is CVE-2018-3817?
- When logging warnings regarding deprecated settings, Logstash before 5.6.6 and 6.x before 6.1.2 could inadvertently log sensitive information.
- How severe is CVE-2018-3817?
- CVE-2018-3817 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-3817 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-3817?
- CVE-2018-3817 affects Elastic Logstash. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-3817?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-3817 published?
- CVE-2018-3817 was published on 2018-03-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
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