{"id":"CVE-2021-38923","aliases":["EUVD-2021-25360","GHSA-6wrx-6f22-3628"],"status":"published","title":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to...","description":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.","severity":{"version":"3.0","score":8,"vector":"CVSS:3.0/S:C/UI:N/PR:H/AC:H/I:H/A:H/AV:N/C:H/RL:O/E:U/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01056,"percentile":0.64849,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-10-06T17:50:17Z","modified":"2026-06-17T04:02:50Z","products":[{"vendor":"ibm","product":"powervm hypervisor"},{"vendor":"ibm","product":"powervm_hypervisor_firmware"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6495879","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/210162","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38923"},{"url":"https://github.com/advisories/GHSA-6wrx-6f22-3628"}],"sources":{"cve":[{"id":"CVE-2021-38923","description":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.","status":"published","published":"2021-10-06T17:50:17.792Z","modified":"2024-09-17T03:18:59.874Z","cvss":[{"version":"3.0","score":8,"vector":"CVSS:3.0/S:C/UI:N/PR:H/AC:H/I:H/A:H/AV:N/C:H/RL:O/E:U/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25360","description":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.","status":"published","published":"2021-10-06T17:50:17Z","modified":"2024-09-17T03:18:59Z","cvss":[{"version":"3.0","score":8,"vector":"CVSS:3.0/S:C/UI:N/PR:H/AC:H/I:H/A:H/AV:N/C:H/RL:O/E:U/RC:C","level":"high"}],"updated_at":"2026-11-03T00:28:32.482778Z"}],"ghsa":[{"id":"GHSA-6wrx-6f22-3628","title":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to...","description":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.","status":"published","published":"2022-05-24T19:16:41Z","modified":"2023-01-30T05:02:26Z","updated_at":"2026-11-02T14:46:38.51672Z"}],"nvd":[{"id":"CVE-2021-38923","description":"IBM PowerVM Hypervisor FW1010 could allow a privileged user to gain access to another VM due to assigning duplicate WWPNs. IBM X-Force ID: 210162.","status":"published","published":"2021-10-06T18:15:10.79Z","modified":"2026-06-17T04:02:50.1Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":8,"vector":"CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}