{"id":"CVE-2023-31116","aliases":["EUVD-2023-35442","GHSA-2jx4-xmvj-hmcw"],"status":"published","title":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An...","description":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.","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":0.00621,"percentile":0.50114,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276"],"published":"2023-06-07T00:00:00Z","modified":"2026-06-17T05:56:18Z","products":[{"vendor":"samsung","product":"exynos_5123_firmware"},{"vendor":"samsung","product":"exynos_5300_firmware"}],"references":[{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31116"},{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates"},{"url":"https://github.com/advisories/GHSA-2jx4-xmvj-hmcw"}],"sources":{"cve":[{"id":"CVE-2023-31116","description":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.","status":"published","published":"2023-06-07T00:00:00Z","modified":"2025-01-07T14:43:32.891Z","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":"adp"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-35442","description":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.","status":"published","published":"2023-06-07T00:00:00Z","modified":"2025-01-07T14:43:32Z","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"}],"updated_at":"2026-11-03T00:04:24.776491Z"}],"ghsa":[{"id":"GHSA-2jx4-xmvj-hmcw","title":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An...","description":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.","status":"published","published":"2023-06-07T21:30:18Z","modified":"2024-04-04T04:40:00Z","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"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:56:26.167088Z"}],"nvd":[{"id":"CVE-2023-31116","description":"An issue was discovered in the Shannon RCS component in Samsung Exynos Modem 5123 and 5300. An incorrect default permission can cause unintended querying of RCS capability via a crafted application.","status":"published","published":"2023-06-07T21:15:13.453Z","modified":"2026-06-17T05:56:18.697Z","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":"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":"secondary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:08:05.329837Z"}]}}