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CVE-2023-23933

Issue in Anomaly Detection with document and field level rules in numerical feature aggregations

MEDIUM
4.3
CVSS Score
Published: February 3, 2023 at 07:14 PM UTC
Updated: June 17, 2026 at 05:38 AM UTC
2 products affected across 2 vendorsOpensearchOpenSearch

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Opensearch· Amazonmaven
95%
1.0.0 ≤ v < 1.3.82.0.0 ≤ v < 2.6.0
Affected range stops below 1.3.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.6.0, so it looks safe — our inference, not a vendor statement
OpenSearch· Opensearch
60%
v < 1.3.8v < 2.6.0
Affected range stops below 1.3.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.6.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/opensearch-project/anomaly-detection/security/advisories/GHSA-47qw-jwpx-pp4c

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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