What is CVE-2019-20566?

CVE-2019-20566 is a critical-severity vulnerability in Samsung Exynos Smp1300, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-24.

How severe is CVE-2019-20566?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Samsung Exynos Smp1300

CVE-2019-20566

An issue was discovered on Samsung mobile devices with any (before September 2019 for SMP1300 Exynos modem chipsets) software. Attackers can trigger stack corruption in the Shannon modem via a crafted RP-Originator/Destination address. The Samsung ID is SVE-2019-14858 (September 2019).

Vulnerability class: Buffer Overflow

EPSS: 0.014 (70.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Samsung Exynos_smp1300
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20566?: CVE-2019-20566 is a critical-severity vulnerability in Samsung Exynos Smp1300, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-03-24.
How severe is CVE-2019-20566?: Critical severity. CVSS v3 base score is 9.8 out of 10.