{"id":"CVE-2020-12747","aliases":["EUVD-2020-5035","GHSA-3jcm-w957-2h9v"],"status":"published","title":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830...","description":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of specific commands. The Samsung IDs are SVE-2020-16981, SVE-2020-16991 (May 2020).","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0044,"percentile":0.38572,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-05-11T15:15:57Z","modified":"2026-06-17T02:52:13Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12747"},{"url":"https://github.com/advisories/GHSA-3jcm-w957-2h9v"}],"sources":{"cve":[{"id":"CVE-2020-12747","description":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of specific commands. The Samsung IDs are SVE-2020-16981, SVE-2020-16991 (May 2020).","status":"published","published":"2020-05-11T15:15:57Z","modified":"2024-08-04T12:04:22.565Z","updated_at":"2026-11-02T14:35:52.925152Z"}],"euvd":[{"id":"EUVD-2020-5035","description":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of specific commands. The Samsung IDs are SVE-2020-16981, SVE-2020-16991 (May 2020).","status":"published","published":"2020-05-11T15:15:57Z","modified":"2024-08-04T12:04:22Z","updated_at":"2026-11-03T03:07:39.298733Z"}],"ghsa":[{"id":"GHSA-3jcm-w957-2h9v","title":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830...","description":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of specific commands. The Samsung IDs are SVE-2020-16981, SVE-2020-16991 (May 2020).","status":"published","published":"2022-05-24T17:17:35Z","modified":"2023-01-29T05:02:51Z","updated_at":"2026-11-02T14:45:10.945052Z"}],"nvd":[{"id":"CVE-2020-12747","description":"An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos980 9630 and Exynos990 9830 chipsets) software. The Bootloader has a heap-based buffer overflow because of the mishandling of specific commands. The Samsung IDs are SVE-2020-16981, SVE-2020-16991 (May 2020).","status":"published","published":"2020-05-11T16:15:12.77Z","modified":"2026-06-17T02:52:13.813Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:00.784809Z"}]}}