CVE-2025-12148
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-29

Last updated on: 2025-10-30

Assigner: floragunn GmbH

Description
In Search Guard versions 3.1.1 and earlier, Field Masking (FM) rules are improperly enforced on fields of type IP (IP Address). While the content of these fields is properly redacted in the _source document returned by search operations, the results do return documents (hits) when searching based on a specific IP values. This allows to reconstruct the original contents of the field. Workaround - If you cannot upgrade immediately, you can avoid the problem by using field level security (FLS) protection on fields of the affected types instead of field masking.
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Meta Information
Published
2025-10-29
Last Modified
2025-10-30
Generated
2026-06-16
AI Q&A
2025-10-29
EPSS Evaluated
2026-06-15
NVD
CVE-2025-12148
EUVD
EUVD-2025-36685
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
search_guard search_guard 3.1.1
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-732 The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Attack-Flow Graph
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Executive Summary

In Search Guard versions 3.1.1 and earlier, Field Masking rules are not properly enforced on IP address fields. Although the IP address content is redacted in the source document returned by search operations, the search results still return documents when searching for specific IP values. This behavior allows an attacker to reconstruct the original IP address content despite the masking.

Impact Analysis

This vulnerability can lead to unauthorized disclosure of IP address information. Even though the IP addresses are masked in the returned documents, an attacker can infer or reconstruct the original IP addresses by performing searches on specific IP values. This could compromise sensitive network information and potentially expose systems to further attacks.

Mitigation Strategies

If you cannot upgrade immediately, you can mitigate this vulnerability by using field level security (FLS) protection on fields of the affected types instead of field masking.

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