CVE-2025-37727: Elasticsearch Insertion of sensitive information in log file
CSIRTS triage
- What
- Elasticsearch logs sensitive information to files, exposing credentials or other confidential data.
- Who is affected
- All Elasticsearch deployments where logs may be accessible to unauthorized users.
- Urgency
- Medium severity (CVSS 5.7) information disclosure of logged secrets; patch promptly.
- Action
- Update Elasticsearch to a patched version and review log configuration and access controls.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-37727
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2025-377270.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-37727 | coverage & exploitation status | NVD · CVE.org |
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