How severe is CVE-2020-0437?

CVE-2020-0437 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-0437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-0437?

CVE-2020-0437 primarily affects Google Android. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-0437?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-0437 published?

CVE-2020-0437 was published on 2020-11-10 and last updated on 2026-06-17.

CVE-2020-0437

CVE-2020-0437 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Google Android
Published: 2020-11-10
Last modified: 2026-06-17

Description

In CellBroadcastReceiver's intent handlers, there is a possible denial of service due to a missing permission check. This could lead to local denial of service of emergency alerts with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10 Android-11Android ID: A-162741784

Frequently asked questions

What is CVE-2020-0437?: In CellBroadcastReceiver's intent handlers, there is a possible denial of service due to a missing permission check. This could lead to local denial of service of emergency alerts with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10 Android-11Android ID: A-162741784
How severe is CVE-2020-0437?: CVE-2020-0437 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-0437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-0437?: CVE-2020-0437 primarily affects Google Android. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-0437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-0437 published?: CVE-2020-0437 was published on 2020-11-10 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/2020-11-01

Affected products (5)

cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*

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