How severe is CVE-2019-20783?

CVE-2019-20783 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-20783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20783?

CVE-2019-20783 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-2019-20783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-20783 published?

CVE-2019-20783 was published on 2020-04-17 and last updated on 2026-06-17.

CVE-2019-20783

CVE-2019-20783 is a critical-severity vulnerability in Google Android with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Google Android
Published: 2020-04-17
Last modified: 2026-06-17

Description

An issue was discovered on LG mobile devices with Android OS 7.0, 7.1, 7.2, 8.0, and 8.1 (North America CDMA) software. The LTE protocol implementation allows a bypass of AKA (Authentication and Key Agreement). The LG ID is LVE-SMP-180014 (February 2019).

Frequently asked questions

What is CVE-2019-20783?: An issue was discovered on LG mobile devices with Android OS 7.0, 7.1, 7.2, 8.0, and 8.1 (North America CDMA) software. The LTE protocol implementation allows a bypass of AKA (Authentication and Key Agreement). The LG ID is LVE-SMP-180014 (February 2019).
How severe is CVE-2019-20783?: CVE-2019-20783 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-20783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20783?: CVE-2019-20783 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-2019-20783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-20783 published?: CVE-2019-20783 was published on 2020-04-17 and last updated on 2026-06-17.

References

https://lgsecurity.lge.com/

Affected products (5)

cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*

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