{"id":"CVE-2025-47827","aliases":["EUVD-2025-16999","GHSA-pww7-j9v6-xc6j"],"status":"published","title":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly...","description":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.05153,"percentile":0.92495,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-324","CWE-347"],"published":"2025-06-05T00:00:00Z","modified":"2026-06-17T09:28:44Z","kev":{"date_added":"2025-10-14","due_date":"2025-11-04","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-10-14"},{"source":"kev","since":"2025-10-14"}],"exploits":[{"source":"pocgithub","id":"Zedeldi/CVE-2025-47827","title":"Zedeldi/CVE-2025-47827","date":"2025-05-20","url":"https://github.com/Zedeldi/CVE-2025-47827"}],"products":[{"vendor":"igel","product":"igel os"},{"vendor":"igel","product":"igel_os"},{"vendor":"microsoft","product":"windows_10_1507"},{"vendor":"microsoft","product":"windows_10_1607"},{"vendor":"microsoft","product":"windows_10_1809"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_11_24h2"},{"vendor":"microsoft","product":"windows_11_25h2"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2022_23h2"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://github.com/Zedeldi/igelfs","tags":["Product"]},{"url":"https://github.com/Zedeldi/CVE-2025-47827","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-47827","tags":["vendor-advisory","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47827","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47827"},{"url":"https://github.com/advisories/GHSA-pww7-j9v6-xc6j"}],"sources":{"cve":[{"id":"CVE-2025-47827","description":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.","status":"published","published":"2025-06-05T00:00:00Z","modified":"2026-02-26T17:51:07.951Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:32:26.320248Z"}],"euvd":[{"id":"EUVD-2025-16999","description":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.","status":"published","published":"2025-06-05T00:00:00Z","modified":"2026-02-26T17:51:07Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"exploited_since":"2025-10-14","updated_at":"2026-11-02T19:48:18.619892Z"}],"ghsa":[{"id":"GHSA-pww7-j9v6-xc6j","title":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly...","description":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.","status":"published","published":"2025-06-05T15:31:32Z","modified":"2025-10-22T00:34:22Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T15:04:09.266545Z"}],"kev":[{"id":"CVE-2025-47827","title":"IGEL OS Use of a Key Past its Expiration Date Vulnerability","description":"IGEL OS contains a use of a key past its expiration date vulnerability that allows for Secure Boot bypass. The igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.","cwes":["CWE-324"],"kev":{"date_added":"2025-10-14","due_date":"2025-11-04","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2025-47827","description":"In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS image.","status":"published","published":"2025-06-05T14:15:32.263Z","modified":"2026-06-17T09:28:44.91Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-347"],"updated_at":"2026-11-02T14:11:10.8732Z"}]}}