{"id":"CVE-2021-38951","aliases":["EUVD-2021-25388","GHSA-g3vr-f28g-hxqc"],"status":"published","title":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service,...","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/S:U/PR:N/C:N/AC:L/I:N/A:H/UI:N/RC:C/E:U/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01571,"percentile":0.7557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2021-12-09T17:00:30Z","modified":"2026-06-17T04:02:52Z","products":[{"vendor":"ibm","product":"websphere application server"},{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6524674","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/211405","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38951"},{"url":"https://github.com/advisories/GHSA-g3vr-f28g-hxqc"}],"sources":{"cve":[{"id":"CVE-2021-38951","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.","status":"published","published":"2021-12-09T17:00:30.662Z","modified":"2024-09-16T16:47:45.409Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/S:U/PR:N/C:N/AC:L/I:N/A:H/UI:N/RC:C/E:U/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-25388","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.","status":"published","published":"2021-12-09T17:00:30Z","modified":"2024-09-16T16:47:45Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/S:U/PR:N/C:N/AC:L/I:N/A:H/UI:N/RC:C/E:U/RL:O","level":"high"}],"updated_at":"2026-11-03T00:55:48.659023Z"}],"ghsa":[{"id":"GHSA-g3vr-f28g-hxqc","title":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service,...","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.","status":"published","published":"2021-12-10T00:00:31Z","modified":"2023-01-27T05:01:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:41:50.629165Z"}],"nvd":[{"id":"CVE-2021-38951","description":"IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.","status":"published","published":"2021-12-09T17:15:07.793Z","modified":"2026-06-17T04:02:52.957Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}