{"id":"CVE-2021-38917","aliases":["EUVD-2021-25354","GHSA-jrj8-w63v-jf8f"],"status":"published","title":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access...","description":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/PR:N/UI:N/I:H/AC:H/C:H/A:N/S:U/RC:C/RL:O/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01587,"percentile":0.75958,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-12-10T17:50:11Z","modified":"2026-06-17T04:02:49Z","products":[{"vendor":"ibm","product":"powervm hypervisor"},{"vendor":"ibm","product":"powervm_hypervisor"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6525010","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/210018","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38917"},{"url":"https://github.com/advisories/GHSA-jrj8-w63v-jf8f"}],"sources":{"cve":[{"id":"CVE-2021-38917","description":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.","status":"published","published":"2021-12-10T17:50:11.461Z","modified":"2024-09-16T17:19:14.549Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/PR:N/UI:N/I:H/AC:H/C:H/A:N/S:U/RC:C/RL:O/E:U","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-25354","description":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.","status":"published","published":"2021-12-10T17:50:11Z","modified":"2024-09-16T17:19:14Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/PR:N/UI:N/I:H/AC:H/C:H/A:N/S:U/RC:C/RL:O/E:U","level":"high"}],"updated_at":"2026-11-03T00:55:42.930901Z"}],"ghsa":[{"id":"GHSA-jrj8-w63v-jf8f","title":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access...","description":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.","status":"published","published":"2021-12-11T00:00:42Z","modified":"2023-02-01T05:06:44Z","updated_at":"2026-11-02T14:50:24.546925Z"}],"nvd":[{"id":"CVE-2021-38917","description":"IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.","status":"published","published":"2021-12-10T18:15:07.847Z","modified":"2026-06-17T04:02:49.663Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"primary"},{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"2.0","score":9.4,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:N","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}