{"id":"CVE-2023-25600","aliases":["EUVD-2023-29542","GHSA-856f-5pr4-jx6q"],"status":"published","title":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime...","description":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00189,"percentile":0.08554,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2023-08-03T00:00:00Z","modified":"2026-06-17T05:41:35Z","products":[{"vendor":"insyde","product":"insydecrpkg"}],"references":[{"url":"https://www.insyde.com/security-pledge","tags":["x_transferred","Not Applicable"]},{"url":"https://www.insyde.com/security-pledge/SA-2023028","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25600"},{"url":"https://github.com/advisories/GHSA-856f-5pr4-jx6q"}],"sources":{"cve":[{"id":"CVE-2023-25600","description":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.","status":"published","published":"2023-08-03T00:00:00Z","modified":"2024-10-17T20:08:36.882Z","updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-29542","description":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.","status":"published","published":"2023-08-03T00:00:00Z","modified":"2024-10-17T20:08:36Z","updated_at":"2026-11-03T00:27:33.264541Z"}],"ghsa":[{"id":"GHSA-856f-5pr4-jx6q","title":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime...","description":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.","status":"published","published":"2023-08-03T18:30:34Z","modified":"2024-04-11T21:19:47Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:57:10.253701Z"}],"nvd":[{"id":"CVE-2023-25600","description":"An issue was discovered in InsydeH2O. A malicious operating system can tamper with a runtime-writable EFI variable, leading to out-of-bounds memory reads and a denial of service. This is fixed in version 01.01.04.0016.","status":"published","published":"2023-08-03T15:15:19.34Z","modified":"2026-06-17T05:41:35.15Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:08:20.798312Z"}]}}