{"id":"CVE-2019-18913","aliases":["EUVD-2019-8591","GHSA-55w2-94jr-cc63"],"status":"published","title":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution...","description":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution using open-case attacks. This industry-wide issue requires physically accessing internal expansion slots with specialized hardware and software tools to modify UEFI code in memory. This affects HP Intel-based Business PCs that support Microsoft Windows 10 Kernel DMA protection. Affected versions depend on platform (prior to 01.04.02; or prior to 02.04.01; or prior to 02.04.02).","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00605,"percentile":0.49255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-01-31T03:04:11Z","modified":"2026-06-17T02:25:34Z","products":[{"vendor":"hp","product":"elite_dragonfly_firmware"},{"vendor":"hp","product":"elite_x2_g4_firmware"},{"vendor":"hp","product":"elitebook_830_g6_firmware"},{"vendor":"hp","product":"elitebook_836_g6_firmware"},{"vendor":"hp","product":"elitebook_840_g6_firmware"},{"vendor":"hp","product":"elitebook_840_g6_healthcare_edition_firmware"},{"vendor":"hp","product":"elitebook_846_g6_firmware"},{"vendor":"hp","product":"elitebook_846_g6_healthcare_edition_firmware"},{"vendor":"hp","product":"elitebook_850_g6_firmware"},{"vendor":"hp","product":"elitebook_x360_1030_g4_firmware"},{"vendor":"hp","product":"elitebook_x360_1040_g6_firmware"},{"vendor":"hp","product":"elitebook_x360_830_g6_firmware"},{"vendor":"hp","product":"elitedesk_800_g5_dm_firmware"},{"vendor":"hp","product":"elitedesk_800_g5_sff_firmware"},{"vendor":"hp","product":"elitedesk_800_g5_twr_firmware"},{"vendor":"hp","product":"eliteone_800_g5_aio_firmware"},{"vendor":"hp","product":"probook_640_g5_firmware"},{"vendor":"hp","product":"probook_650_g5_firmware"},{"vendor":"hp","product":"prodesk_400_g5_dm_firmware"},{"vendor":"hp","product":"prodesk_400_g6_mt_firmware"},{"vendor":"hp","product":"prodesk_400_g6_sff_firmware"},{"vendor":"hp","product":"prodesk_480_g6_mt_firmware"},{"vendor":"hp","product":"prodesk_600_g5_dm_firmware"},{"vendor":"hp","product":"prodesk_600_g5_mt_firmware"},{"vendor":"hp","product":"prodesk_600_g5_pci_mt_firmware"},{"vendor":"hp","product":"prodesk_600_g5_sff_firmware"},{"vendor":"hp","product":"proone_400_g5_aio_firmware"},{"vendor":"hp","product":"proone_440_g5_aio_firmware"},{"vendor":"hp","product":"proone_600_g5_aio_firmware"},{"vendor":"hp","product":"zbook_14u_g6_mobile_workstation_firmware"},{"vendor":"hp","product":"zbook_15u_g6_mobile_workstation_firmware"},{"vendor":"hp","product":"zbook_17u_g6_mobile_workstation_firmware"},{"vendor":"hp","product":"zhan_x_13_g2_firmware"},{"vendor":"hp inc.","product":"hp intel-based business pcs that support microsoft windows 10 kernel dma protection."}],"references":[{"url":"https://support.hp.com/us-en/document/c06549501","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18913"},{"url":"https://github.com/advisories/GHSA-55w2-94jr-cc63"}],"sources":{"cve":[{"id":"CVE-2019-18913","description":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution using open-case attacks. This industry-wide issue requires physically accessing internal expansion slots with specialized hardware and software tools to modify UEFI code in memory. This affects HP Intel-based Business PCs that support Microsoft Windows 10 Kernel DMA protection. Affected versions depend on platform (prior to 01.04.02; or prior to 02.04.01; or prior to 02.04.02).","status":"published","published":"2020-01-31T03:04:11Z","modified":"2024-08-05T02:02:39.823Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8591","description":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution using open-case attacks. This industry-wide issue requires physically accessing internal expansion slots with specialized hardware and software tools to modify UEFI code in memory. This affects HP Intel-based Business PCs that support Microsoft Windows 10 Kernel DMA protection. Affected versions depend on platform (prior to 01.04.02; or prior to 02.04.01; or prior to 02.04.02).","status":"published","published":"2020-01-31T03:04:11Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-55w2-94jr-cc63","title":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution...","description":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution using open-case attacks. This industry-wide issue requires physically accessing internal expansion slots with specialized hardware and software tools to modify UEFI code in memory. This affects HP Intel-based Business PCs that support Microsoft Windows 10 Kernel DMA protection. Affected versions depend on platform (prior to 01.04.02; or prior to 02.04.01; or prior to 02.04.02).","status":"published","published":"2022-05-24T17:07:50Z","modified":"2023-01-29T05:01:25Z","updated_at":"2026-11-02T14:44:48.898243Z"}],"nvd":[{"id":"CVE-2019-18913","description":"A potential security vulnerability with pre-boot DMA may allow unauthorized UEFI code execution using open-case attacks. This industry-wide issue requires physically accessing internal expansion slots with specialized hardware and software tools to modify UEFI code in memory. This affects HP Intel-based Business PCs that support Microsoft Windows 10 Kernel DMA protection. Affected versions depend on platform (prior to 01.04.02; or prior to 02.04.01; or prior to 02.04.02).","status":"published","published":"2020-01-31T04:15:10.993Z","modified":"2026-06-17T02:25:34.247Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}