Couchbase Server 7.1.x and 7.2.x before 7.2.4 does not require authentication for the /admin/stats and /admin/vitals endpoints on TCP port 8093 of localhost.
Conclusion & alert: CVE-2023-49338 is rated Moderate Risk (45.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.60%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.38% | 0.60% | +0.23% |
| 2 | 2025-12-28 | 0.27% | 0.38% | +0.10% |
| 3 | 2025-12-27 | — | 0.27% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| couchbase | couchbase_server | >= 4.0.0, < 7.2.4 | cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://docs.couchbase.com/server/current/release-notes/relnotes.html | Release Notes |
| https://forums.couchbase.com/tags/security | Product |
| https://www.couchbase.com/alerts/ | Vendor Advisory |