{"id":"CVE-2023-50738","aliases":["EUVD-2023-55494","GHSA-56mc-fpwx-p947"],"status":"published","title":"A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.","description":"A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00271,"percentile":0.19514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1328","CWE-354"],"published":"2025-01-17T21:10:44Z","modified":"2026-06-17T06:39:54Z","products":[{"vendor":"lexmark","product":"printer firmware"}],"references":[{"url":"https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50738"},{"url":"https://github.com/advisories/GHSA-56mc-fpwx-p947"}],"sources":{"cve":[{"id":"CVE-2023-50738","title":"A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.","description":"A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified.","status":"published","published":"2025-01-17T21:10:44.22Z","modified":"2025-01-17T22:02:59.237Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-354","CWE-1328"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55494","description":"A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified.","status":"published","published":"2025-01-17T21:10:44Z","modified":"2025-01-17T22:02:59Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:04:16.564106Z"}],"ghsa":[{"id":"GHSA-56mc-fpwx-p947","title":"A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A...","description":"A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified.","status":"published","published":"2025-01-17T21:31:39Z","modified":"2025-01-18T00:31:53Z","cvss":[{"version":"4.0","score":10,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T14:59:36.307613Z"}],"nvd":[{"id":"CVE-2023-50738","description":"A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified.","status":"published","published":"2025-01-17T21:15:09.66Z","modified":"2026-06-17T06:39:54.61Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-354","CWE-1328"],"updated_at":"2026-11-02T14:09:20.080574Z"}]}}