An error was found in the permission model used by X-Pack Alerting 5.0.0 to 5.6.0 whereby users mapped to certain built-in roles could create a watch that results in that user gaining elevated privileges.
Conclusion & alert: CVE-2017-8448 is rated Moderate Risk (54.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.84%). 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 | 0.32% | 0.84% | +0.52% |
| 2 | 2025-03-17 | 0.10% | 0.32% | +0.22% |
| 3 | 2023-03-07 | — | 0.10% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| elastic | x-pack | 5.0.0 | cpe:2.3:a:elastic:x-pack:5.0.0:*:*:*:*:*:*:* |
| elastic | x-pack | 5.0.1 | cpe:2.3:a:elastic:x-pack:5.0.1:*:*:*:*:*:*:* |
| elastic | x-pack | 5.0.2 | cpe:2.3:a:elastic:x-pack:5.0.2:*:*:*:*:*:*:* |
| elastic | x-pack | 5.1.1 | cpe:2.3:a:elastic:x-pack:5.1.1:*:*:*:*:*:*:* |
| elastic | x-pack | 5.2.0 | cpe:2.3:a:elastic:x-pack:5.2.0:*:*:*:*:*:*:* |
| elastic | x-pack | 5.2.1 | cpe:2.3:a:elastic:x-pack:5.2.1:*:*:*:*:*:*:* |
| elastic | x-pack | 5.2.2 | cpe:2.3:a:elastic:x-pack:5.2.2:*:*:*:*:*:*:* |
| elastic | x-pack | 5.3.0 | cpe:2.3:a:elastic:x-pack:5.3.0:*:*:*:*:*:*:* |
| elastic | x-pack | 5.3.1 | cpe:2.3:a:elastic:x-pack:5.3.1:*:*:*:*:*:*:* |
| elastic | x-pack | 5.3.2 | cpe:2.3:a:elastic:x-pack:5.3.2:*:*:*:*:*:*:* |
| elastic | x-pack | 5.3.3 | cpe:2.3:a:elastic:x-pack:5.3.3:*:*:*:*:*:*:* |
| elastic | x-pack | 5.4.0 | cpe:2.3:a:elastic:x-pack:5.4.0:*:*:*:*:*:*:* |
| elastic | x-pack | 5.5.0 | cpe:2.3:a:elastic:x-pack:5.5.0:*:*:*:*:*:*:* |
| elastic | x-pack | 5.5.2 | cpe:2.3:a:elastic:x-pack:5.5.2:*:*:*:*:*:*:* |
| elastic | x-pack | 5.6.0 | cpe:2.3:a:elastic:x-pack:5.6.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://discuss.elastic.co/t/x-pack-alerting-and-kibana-5-6-1-security-update/101884 | Mitigation Vendor Advisory |