IDE Xcode Server in Apple Xcode before 7.0 does not properly restrict access to repository e-mail lists, which allows remote attackers to obtain potentially sensitive build information in opportunistic circumstances by leveraging incorrect notification delivery.
Conclusion & alert: CVE-2015-5909 is rated Moderate Risk (48.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.92%). Core evidence: EPSS rose +1.61% 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 | 0.31% | 1.92% | +1.61% |
| 2 | 2025-06-16 | 0.49% | 0.31% | -0.19% |
| 3 | 2025-03-30 | — | 0.49% | — |
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] |
| URL | Tags |
|---|---|
| http://lists.apple.com/archives/security-announce/2015/Sep/msg00002.html | Patch Vendor Advisory |
| http://www.securitytracker.com/id/1033596 | |
| https://support.apple.com/HT205217 | Vendor Advisory |