CVE-2023-25806

mediumpriority · track · 21EPSS 0.003 · 26 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 5.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

OpenSearch Security is a plugin for OpenSearch that offers encryption, authentication and authorization. There is an observable discrepancy in the authentication response time between calls where the user provided exists and calls where it does not. This issue only affects calls using the internal basic identity provider (IdP), and not other externally configured IdPs. Patches were released in versions 1.3.9 and 2.6.0, there are no workarounds.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · security-advisories@github.comexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203USprimaryCWE-203USCWE-203USCWE-208USCWE-208US

affected products (11)

Products and version ranges known to be affected.

opensearch-project security≤ < 1.3.9enisa_euvdEU
opensearch-project security2.0.0, → 2.6.0enisa_euvdEU
Amazon OpenSearch≤ 1.3.9fstec_bduRU
Amazon OpenSearch2.0.0 → 2.6.0fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
amazon opensearch< 1.3.9nvdUScpe:2.3:a:amazon:opensearch:*:*:*:*:*:*:*:*
amazon opensearch2.0.0 → 2.6.0nvdUScpe:2.3:a:amazon:opensearch:*:*:*:*:*:*:*:*
amazon opensearch security< 1.3.9nvdUScpe:2.3:a:amazon:opensearch_security:*:*:*:*:*:*:*:*
amazon opensearch security2.0.0 → 2.6.0nvdUScpe:2.3:a:amazon:opensearch_security:*:*:*:*:*:*:*:*
Maven org.opensearch.plugin:opensearch-security< 1.3.9osvUSpkg:maven/org.opensearch.plugin/opensearch-security
Maven org.opensearch.plugin:opensearch-security2.0.0 → 2.6.0osvUSpkg:maven/org.opensearch.plugin/opensearch-security

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-c6wg-cm5x-rqvjOpenSearch has time discrepancy in authentication responses2023-03-07ghsa · osvUS
### Impact There is an observable discrepancy in the authentication response time between calls where the user provided exists and calls where it does not. This issue only affects calls using the internal basic identity provider (IdP), and not other externally configured IdPs. ### Patches OpenSearch 1.3.9 and 2.6.0 ### Workarounds None. ### References If you have any questions or comments about this advisory, please contact AWS/Amazon Security using our issue reporting page [1] or directly via email [2]. Please do not create a public GitHub issue. [1] AWS Security issue reporting page: https://aws.amazon.com/security/vulnerability-reporting/ [2] AWS Security email: [aws-security@amazon.com](mailto:aws-security@amazon.com)

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2023-03-02modified 2026-06-17

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+881 more

references (4)

External citations — patches, advisories, analysis.

scry

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