In wlan, there is a possible out of bounds read due to an integer overflow. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07588383; Issue ID: ALPS07588383.
Conclusion & alert: CVE-2023-20660 is rated Low Risk (19.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.02%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.
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 | 2026-04-15 | 0.09% | 0.02% | -0.07% |
| 2 | 2026-04-07 | 0.04% | 0.09% | +0.05% |
| 3 | 2023-04-07 | — | 0.04% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.4 | 3.1 | MEDIUM |
|
0.8 | 3.6 | [email protected] |
| 4.4 | 3.1 | MEDIUM |
|
0.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| android | 11.0 | cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* | |
| android | 12.0 | cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* | |
| android | 13.0 | cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* | |
| yoctoproject | yocto | 3.1 | cpe:2.3:o:yoctoproject:yocto:3.1:*:*:*:*:*:*:* |
| yoctoproject | yocto | 3.3 | cpe:2.3:o:yoctoproject:yocto:3.3:*:*:*:*:*:*:* |
| yoctoproject | yocto | 4.0 | cpe:2.3:o:yoctoproject:yocto:4.0:*:*:*:*:*:*:* |
| linux | linux_kernel | 4.19 | cpe:2.3:o:linux:linux_kernel:4.19:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bulletin/April-2023 | Vendor Advisory |