The Runtime subsystem in Android before 5.1.1 LMY48T allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 23050463.
Conclusion & alert: CVE-2015-3865 is rated Moderate Risk (51.3/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.21%). 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 | 2025-03-30 | 0.15% | 0.21% | +0.06% |
| 2 | 2025-03-29 | 0.21% | 0.15% | -0.06% |
| 3 | 2025-03-17 | — | 0.21% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2015-3865 medium priority: Ubuntu including 1 source packages (android), 5 status rows across 5 suites (precise, trusty, upstream, vivid, wily): DNE 2, ignored 2, needs-triage 1. | https://ubuntu.com/security/CVE-2015-3865 |
| URL | Tags |
|---|---|
| https://groups.google.com/forum/message/raw?msg=android-security-updates/_Rm-lKnS2M8/dGTcilt0CAAJ | Vendor Advisory |