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Vulnerabilities

Vulnerability · CVE-2025-62371

OpenSearch Data Prepper as an open source data collector for observability data.

Published Oct 15, 2025 · catalog updated Oct 15, 2025 · OpenSearch Data Prepper as

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-62371. EPSS is 0.19%. Act only if a listed version of OpenSearch Data Prepper as is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (OpenSearch Data Prepper as).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.19%
Remediation
Version ranges on file
Affected products
vendor opensearch-project data-prepper < 2.12.2

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 vu

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor opensearch-project data-prepper < 2.12.2< 2.12.2

How to fix CVE-2025-62371

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-62371. EPSS is 0.19%. Act only if a listed version of OpenSearch Data Prepper as is installed.

Which versions are affected?

Compare what you have installed with opensearch-project data-prepper < 2.12.2 < 2.12.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

OpenSearch security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2025 · EUVD

    Detected

    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 certifi

  2. Oct 15, 2025 · EUVD

    Updated

    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 certifi

Sources

  • CVE.orgVulnerability recordCVE-2025-62371

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-62371

    30-day exploitation probability 0.19%

    first.org
  • EUVDVulnerability recordEUVD-2025-34680

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 26, 2026
  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026