CVE-2020-0437 describes a denial-of-service vulnerability in Android's CellBroadcastReceiver, affecting versions 8.0 through 11. This flaw, stemming from a missing permission check in intent handlers, allows a local attacker to disrupt emergency alerts without requiring additional execution privileges or user interaction. Rated as Medium severity (CVSS 5.5), the vulnerability has a local attack vector and high impact on availability, but no impact on confidentiality or integrity. While the vulnerability has been patched by vendors like Samsung, there is no public exploit code available, nor is it listed on the KEV catalog, indicating limited active exploitation or community attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.0CPE matchmatch criteria | cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:* | ||
8.1CPE matchmatch criteria | cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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