An authentication bypass vulnerability in MobileIron Core & Connector versions 10.3.0.3 and earlier, 10.4.0.0, 10.4.0.1, 10.4.0.2, 10.4.0.3, 10.5.1.0, 10.5.2.0 and 10.6.0.0 that allows remote attackers to bypass authentication mechanisms via unspecified vectors.
Conclusion & alert: CVE-2020-15506 is rated Moderate Risk (64.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.71%). 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 | 2026-03-04 | 0.53% | 0.71% | +0.18% |
| 2 | 2026-03-01 | 0.71% | 0.53% | -0.18% |
| 3 | 2026-02-04 | — | 0.71% | — |
Full EPSS history (36 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mobileiron | cloud | <= 10.6 | cpe:2.3:a:mobileiron:cloud:*:*:*:*:*:*:*:* |
| mobileiron | core | <= 10.6 | cpe:2.3:a:mobileiron:core:*:*:*:*:*:*:*:* |
| mobileiron | enterprise_connector | <= 10.6 | cpe:2.3:a:mobileiron:enterprise_connector:*:*:*:*:*:*:*:* |
| mobileiron | reporting_database | <= 10.6 | cpe:2.3:a:mobileiron:reporting_database:*:*:*:*:*:*:*:* |
| mobileiron | sentry | <= 10.6 | cpe:2.3:a:mobileiron:sentry:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.mobileiron.com/en/blog/mobileiron-security-updates-available | Vendor Advisory |