In modem protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01240012; Issue ID: MSV-1215.
Conclusion & alert: CVE-2024-20039 is rated Moderate Risk (52.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.88%). 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 | 2.88% | 0.88% | -2.00% |
| 2 | 2026-02-12 | 5.44% | 2.88% | -2.55% |
| 3 | 2025-11-21 | — | 5.44% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mediatek | lr12a | — | cpe:2.3:o:mediatek:lr12a:-:*:*:*:*:*:*:* |
| mediatek | lr13 | — | cpe:2.3:o:mediatek:lr13:-:*:*:*:*:*:*:* |
| mediatek | nr15 | — | cpe:2.3:o:mediatek:nr15:-:*:*:*:*:*:*:* |
| mediatek | nr16 | — | cpe:2.3:o:mediatek:nr16:-:*:*:*:*:*:*:* |
| mediatek | nr17 | — | cpe:2.3:o:mediatek:nr17:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/April-2024 | Vendor Advisory |