The Firewall component in Apple OS X Server before 4.1 uses an incorrect pathname in configuration files, which allows remote attackers to bypass network-access restrictions by sending packets for which custom-rule blocking was intended.
Conclusion & alert: CVE-2015-1150 is rated Moderate Risk (48.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.97%). Core evidence: EPSS rose +1.71% over the last day, indicating growing attacker interest. 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 | 0.26% | 1.97% | +1.71% |
| 2 | 2025-05-10 | 0.22% | 0.26% | +0.03% |
| 3 | 2025-03-30 | — | 0.22% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | os_x_server | <= 4.0 | cpe:2.3:o:apple:os_x_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://lists.apple.com/archives/security-announce/2015/Apr/msg00006.html | Vendor Advisory |
| http://www.securitytracker.com/id/1032197 | |
| https://support.apple.com/HT204201 | Vendor Advisory |