{"id":"CVE-2020-4492","aliases":["EUVD-2020-25739","GHSA-pch5-pgjv-2p83"],"status":"published","title":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local...","description":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.","severity":{"version":"3.0","score":6.2,"vector":"CVSS:3.0/I:N/C:N/UI:N/AC:L/A:H/PR:N/S:U/AV:L/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00319,"percentile":0.2504,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-88"],"published":"2020-08-31T12:55:14Z","modified":"2026-06-17T03:20:03Z","products":[{"vendor":"ibm","product":"spectrum scale"},{"vendor":"ibm","product":"spectrum_scale"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6324249","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/181992","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4492"},{"url":"https://github.com/advisories/GHSA-pch5-pgjv-2p83"}],"sources":{"cve":[{"id":"CVE-2020-4492","description":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.","status":"published","published":"2020-08-31T12:55:14.24Z","modified":"2024-09-16T23:11:18.566Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/I:N/C:N/UI:N/AC:L/A:H/PR:N/S:U/AV:L/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-25739","description":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.","status":"published","published":"2020-08-31T12:55:14Z","modified":"2024-09-16T23:11:18Z","cvss":[{"version":"3.0","score":6.2,"vector":"CVSS:3.0/I:N/C:N/UI:N/AC:L/A:H/PR:N/S:U/AV:L/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:54:55.705637Z"}],"ghsa":[{"id":"GHSA-pch5-pgjv-2p83","title":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local...","description":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.","status":"published","published":"2022-05-24T17:27:03Z","modified":"2023-01-29T05:03:42Z","updated_at":"2026-11-02T14:45:23.223768Z"}],"nvd":[{"id":"CVE-2020-4492","description":"IBM Spectrum Scale V5.0.0.0 through V5.0.4.3 and V4.2.0.0 through V4.2.3.21 could allow a local attacker to cause a denial of service crashing the kernel by sending a subset of ioctls on the device with invalid arguments. IBM X-Force ID: 181992.","status":"published","published":"2020-08-31T13:15:10.997Z","modified":"2026-06-17T03:20:03.253Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":6.2,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}