CVE-2025-62371
HighCVSS 7.4Exploitation Probability (EPSS)
Low risk8th percentile - higher than 8% of all known CVEs
Summary
The OpenSearch sink and source plugins in Data Prepper prior to version 2.12.2 trust all SSL certificates by default when no certificate path is provided. This allows attackers to intercept and modify data in transit via man-in-the-middle attacks.
Risk Assessment
Lack of SSL certificate validation can lead to interception of sensitive data sent to OpenSearch clusters, posing a serious risk to data confidentiality and integrity.
Recommendation
Update Data Prepper to version 2.12.2 or later. If not possible, configure the cert parameter with the path to the cluster's CA certificate.
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Original NVD description (English source)
OpenSearch Data Prepper as an open source data collector for observability data. In versions prior to 2.12.2, the OpenSearch sink and source plugins in Data Prepper trust all SSL certificates by default when no certificate path is provided. Prior to this fix, the OpenSearch sink and source plugins would automatically use a trust all SSL strategy when connecting to OpenSearch clusters if no certificate path was explicitly configured. This behavior bypasses SSL certificate validation, potentially allowing attackers to intercept and modify data in transit through man-in-the-middle attacks. The vulnerability affects connections to OpenSearch when the cert parameter is not explicitly provided. This issue has been patched in version 2.12.2. As a workaround, users can add the cert parameter to their OpenSearch sink or source configuration with the path to the cluster's CA certificate.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

