CVE-2023-46672
CVE-2023-46672 is a high-severity vulnerability in Elastic Logstash with a CVSS 3.x base score of 8.4. 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 8.4)
- EPSS exploit prediction: 0% (26th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-532
- Affected product: Elastic Logstash
- Published:
- Last modified:
Description
An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances. The prerequisites for the manifestation of this issue are: * Logstash is configured to log in JSON format https://www.elastic.co/guide/en/logstash/current/running-logstash-command-line.html , which is not the default logging format. * Sensitive data is stored in the Logstash keystore and referenced as a variable in Logstash configuration.
Frequently asked questions
- What is CVE-2023-46672?
- An issue was identified by Elastic whereby sensitive information is recorded in Logstash logs under specific circumstances. The prerequisites for the manifestation of this issue are: * Logstash is configured to log in JSON format https://www.elastic.co/guide/en/logstash/current/running-logstash-command-line.html , which is not the default logging format. * Sensitive data is stored in the Logstash keystore and referenced as a variable in Logstash configuration.
- How severe is CVE-2023-46672?
- CVE-2023-46672 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2023-46672 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-46672?
- CVE-2023-46672 primarily affects Elastic Logstash. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-46672?
- 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-2023-46672 published?
- CVE-2023-46672 was published on 2023-11-15 and last updated on 2026-06-17.
References
- https://discuss.elastic.co/t/logstash-8-11-1-security-update-esa-2023-26/347191
- https://security.netapp.com/advisory/ntap-20240125-0002/
- https://security.netapp.com/advisory/ntap-20240229-0001/
- https://www.elastic.co/community/security
Affected products (2)
- cpe:2.3:a:elastic:logstash:*:*:*:*:*:*:*:*
- cpe:2.3:a:elastic:logstash:7.12.1:*:*:*:*:*:*:*
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