An issue was discovered in Couchbase Server before 7.2.4. ns_server admin credentials are leaked in encoded form in the diag.log file. The earliest affected version is 7.1.5.
Conclusion & alert: CVE-2023-50436 is rated Low Risk (31.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.11%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-11-21 | 0.05% | 0.11% | +0.06% |
| 2 | 2025-11-18 | 0.08% | 0.05% | -0.03% |
| 3 | 2025-04-15 | — | 0.08% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
1.8 | 3.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| couchbase | couchbase_server | >= 7.1.5, < 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 | Issue Tracking |
| https://www.couchbase.com/alerts/ | Vendor Advisory |