{"id":"CVE-2020-4491","aliases":["EUVD-2020-25738","GHSA-wfcm-rc5q-rwm2"],"status":"published","title":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local...","description":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.","severity":{"version":"3.0","score":4,"vector":"CVSS:3.0/I:N/S:U/UI:N/PR:N/AV:L/AC:L/A:L/C:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00292,"percentile":0.21921,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2020-10-20T14:15:32Z","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/6349465","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/181991","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4491"},{"url":"https://github.com/advisories/GHSA-wfcm-rc5q-rwm2"}],"sources":{"cve":[{"id":"CVE-2020-4491","description":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.","status":"published","published":"2020-10-20T14:15:32.316Z","modified":"2024-09-17T00:46:13.362Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/I:N/S:U/UI:N/PR:N/AV:L/AC:L/A:L/C:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-25738","description":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.","status":"published","published":"2020-10-20T14:15:32Z","modified":"2024-09-17T00:46:13Z","cvss":[{"version":"3.0","score":4,"vector":"CVSS:3.0/I:N/S:U/UI:N/PR:N/AV:L/AC:L/A:L/C:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:28:55.842484Z"}],"ghsa":[{"id":"GHSA-wfcm-rc5q-rwm2","title":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local...","description":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.","status":"published","published":"2022-05-24T17:31:51Z","modified":"2023-01-29T05:04:15Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:45:30.813688Z"}],"nvd":[{"id":"CVE-2020-4491","description":"IBM Spectrum Scale V4.2.0.0 through V4.2.3.22 and V5.0.0.0 through V5.0.5 could allow a local attacker to cause a denial of service by sending a large number of RPC requests to the mmfsd daemon which would cause the service to crash. IBM X-Force ID: 181991.","status":"published","published":"2020-10-20T15:15:12.997Z","modified":"2026-06-17T03:20:03.147Z","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":4,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","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"}],"updated_at":"2026-11-02T14:06:20.704992Z"}]}}