How severe is CVE-2019-20578?

CVE-2019-20578 has a CVSS 3.x base score of 9.8, 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 high.

Is CVE-2019-20578 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20578?

CVE-2019-20578 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20578?

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-2019-20578 published?

CVE-2019-20578 was published on 2020-03-24 and last updated on 2026-06-17.

CVE-2019-20578

CVE-2019-20578 is a critical-severity vulnerability in Google Android with a CVSS 3.x base score of 9.8. 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-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Google Android
Published: 2020-03-24
Last modified: 2026-06-17

Description

An issue was discovered on Samsung mobile devices with P(9.0) (Exynos 9820 chipsets) software. A Buffer overflow occurs when loading the UH Partition during Secure Boot. The Samsung ID is SVE-2019-14412 (August 2019).

Frequently asked questions

What is CVE-2019-20578?: An issue was discovered on Samsung mobile devices with P(9.0) (Exynos 9820 chipsets) software. A Buffer overflow occurs when loading the UH Partition during Secure Boot. The Samsung ID is SVE-2019-14412 (August 2019).
How severe is CVE-2019-20578?: CVE-2019-20578 has a CVSS 3.x base score of 9.8, 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 high.
Is CVE-2019-20578 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20578?: CVE-2019-20578 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20578?: 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-2019-20578 published?: CVE-2019-20578 was published on 2020-03-24 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/securityUpdate.smsb

Affected products (1)

cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*

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