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CVE-2023-23613

21
FAUCET Score

CVE-2023-23613 affects OpenSearch versions 1.0.0-1.3.7 and 2.0.0-2.4.1, where a flaw in field-level security and field masking allows authenticated users to access restricted data through auto-generated .keyword fields. With a CVSS score of 6.5 (Medium), this vulnerability has a low attack complexity and can lead to unauthorized information disclosure (CWE-200). While no active exploitation, public exploit code, or significant community discussion has been observed, the potential for data exposure to authenticated users exists. Organizations are advised to upgrade to OpenSearch 1.3.8 or 2.5.0, or implement explicit exclusion rules as a workaround.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.0, < 1.3.8CPE matchmatch criteria
cpe:2.3:a:amazon:opensearch:*:*:*:*:*:-:*:*
>= 2.0.0, < 2.5.0CPE matchmatch criteria
cpe:2.3:a:amazon:opensearch:*:*:*:*:*:-:*:*

CVSS Data

CVSS version used by this source: 3.1

5.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.82%
Probability of exploitation in next 30 days
EPSS Percentile
53.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0082 is in the 65th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.opensearch.plugin:opensearch-securityFixed in: 1.3.8
mavenpatch availablevia ghsa
Product: org.opensearch.plugin:opensearch-securityFixed in: 2.5.0

Vendor Advisories (1)

mavenGHSA-v3cg-7r9h-r2g6medium

Field-level security issue with .keyword fields in OpenSearch

Jan 24, 2023

References

github.com / opensearch-project/OpenSearch/releases/tag/2.5.0
Third Party Advisory
github.com / opensearch-project/security/security/advisories/GHSA-v3cg-7r9h-r2g6
Third Party Advisory