{"id":"CVE-2025-27021","aliases":["EUVD-2025-19698","GHSA-9w8q-pjh8-6h83"],"status":"published","title":"Operating System Misconfiguration in Infinera G42","description":"The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42 version R6.1.3 allows low privileged OS users to \nread/write physical memory via devmem command line tool. \nThis could \nallow sensitive information disclosure, denial of service, and privilege \nescalation by tampering with kernel memory.\n\n\nDetails: The output of \"sudo -l\" reports the presence of \"devmem\" command \nexecutable as super user without using a password. This command allows \nto read and write an arbitrary memory area of the target device, \nspecifying an absolute address.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00155,"percentile":0.04661,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-266"],"published":"2025-07-02T08:45:05Z","modified":"2026-06-17T09:02:46Z","products":[{"vendor":"infinera","product":"g42"},{"vendor":"nokia","product":"g42_firmware"}],"references":[{"url":"https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27021","tags":["government-resource","Third Party Advisory"]},{"url":"https://euvd.enisa.europa.eu/vulnerability/CVE-2025-27021","tags":["vdb-entry","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27021"},{"url":"https://github.com/advisories/GHSA-9w8q-pjh8-6h83"}],"sources":{"cve":[{"id":"CVE-2025-27021","title":"Operating System Misconfiguration in Infinera G42","description":"The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42 version R6.1.3 allows low privileged OS users to \nread/write physical memory via devmem command line tool. \nThis could \nallow sensitive information disclosure, denial of service, and privilege \nescalation by tampering with kernel memory.\n\n\nDetails: The output of \"sudo -l\" reports the presence of \"devmem\" command \nexecutable as super user without using a password. This command allows \nto read and write an arbitrary memory area of the target device, \nspecifying an absolute address.","status":"published","published":"2025-07-02T08:45:05.475Z","modified":"2025-07-02T14:32:53.922Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:32:42.411662Z"}],"euvd":[{"id":"EUVD-2025-19698","description":"The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42 version R6.1.3 allows low privileged OS users to \nread/write physical memory via devmem command line tool. \nThis could \nallow sensitive information disclosure, denial of service, and privilege \nescalation by tampering with kernel memory.\n\n\nDetails: The output of \"sudo -l\" reports the presence of \"devmem\" command \nexecutable as super user without using a password. This command allows \nto read and write an arbitrary memory area of the target device, \nspecifying an absolute address.","status":"published","published":"2025-07-02T08:45:05Z","modified":"2025-07-02T14:32:53Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:14.284181Z"}],"ghsa":[{"id":"GHSA-9w8q-pjh8-6h83","title":"The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42...","description":"The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42 version R6.1.3 allows low privileged OS users to \nread/write physical memory via devmem command line tool. \nThis could \nallow sensitive information disclosure, denial of service, and privilege \nescalation by tampering with kernel memory.\n\n\nDetails: The output of \"sudo -l\" reports the presence of \"devmem\" command \nexecutable as super user without using a password. This command allows \nto read and write an arbitrary memory area of the target device, \nspecifying an absolute address.","status":"published","published":"2025-07-02T09:30:29Z","modified":"2025-07-02T15:31:43Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T15:02:53.302581Z"}],"nvd":[{"id":"CVE-2025-27021","description":"The misconfiguration in the sudoers configuration of the operating system in\n Infinera G42 version R6.1.3 allows low privileged OS users to \nread/write physical memory via devmem command line tool. \nThis could \nallow sensitive information disclosure, denial of service, and privilege \nescalation by tampering with kernel memory.\n\n\nDetails: The output of \"sudo -l\" reports the presence of \"devmem\" command \nexecutable as super user without using a password. This command allows \nto read and write an arbitrary memory area of the target device, \nspecifying an absolute address.","status":"published","published":"2025-07-02T09:15:25.117Z","modified":"2026-06-17T09:02:46.497Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:11:15.754475Z"}]}}