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Vulnerability record · CVE-2023-23933 · published 3 February 2023

CVE-2023-23933: Amazon opensearch out-of-bounds read vulnerability

Amazon · Opensearch

OpenSearch Anomaly Detection identifies atypical data and receives automatic notifications. There is an issue with the application of document and field level restrictions in the Anomaly Detection plugin, where users with the Anomaly Detector role can read aggregated numerical data (e.g. averages, sums) of fields that are otherwise restricted to them. This issue only affects authenticated users who were previously granted read access to the indexes containing the restricted fields. This issue has been patched in versions 1.3.8 and 2.6.0. There are no known workarounds for this issue.

4.3 CVSS 3.1 Medium EPSS 0.51% · top 58.5% CWE-125 · Out-of-bounds read
4.3CVSS 3.1 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

OpenSearch Anomaly Detection identifies atypical data and receives automatic notifications. There is an issue with the application of document and field level restrictions in the Anomaly Detection plugin, where users with the Anomaly Detector role can read aggregated numerical data (e.g. averages, sums) of fields that are otherwise restricted to them. This issue only affects authenticated users who were previously granted read access to the indexes containing the restricted fields. This issue has been patched in versions 1.3.8 and 2.6.0. There are no known workarounds for this issue.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/opensearch-project/anomaly-detection/security/advisories/GHSA-47qw-jwpx-pp4c Third Party Advisory
https://github.com/opensearch-project/anomaly-detection/security/advisories/GHSA-47qw-jwpx-pp4c Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-23933), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.