Authentication Bypass in org.elasticsearch.plugin:x-pack-security (CVE-2025-37731)
Summary
Authentication bypass in org.elasticsearch.plugin:x-pack-security (CVE-2025-37731). Confidential information can be exposed externally. Mitigation: upgrade to 9.2.2 or later.
Original description
The description as published by the source.
Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2025-37731 has been found in org.elasticsearch.plugin:x-pack-security.
Confidential information can be exposed externally. CVSS score: 6.8/10.
What to do: upgrade org.elasticsearch.plugin:x-pack-security to 9.2.2 or later.
If unsure, ask your IT team or search "org.elasticsearch.plugin:x-pack-security CVE-2025-37731" on the vendor's site.
CVE-2025-37731 (org.elasticsearch.plugin:x-pack-security) — CWE-287 / CVSS v3 6.8
Attack vector: remote (network-reachable) / no user interaction
Patched: 9.2.2 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Authentication bypass (CWE-287) exists in org.elasticsearch.plugin:x-pack-security.
Check the vendor advisory for the affected versions of org.elasticsearch.plugin:x-pack-security.
Severity: Medium (CVSS 6.8/10). Confidential information can be exposed externally.
Update to 9.2.2.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで org.elasticsearch.plugin:x-pack-security を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade org.elasticsearch.plugin:x-pack-security to 9.2.2ステージング環境で 9.2.2 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory discuss.elastic.co
- web nvd.nist.gov
- web github.com
- web github.com
- web github.com
- web github.com