{"id":"CVE-2020-4581","aliases":["EUVD-2020-25828","GHSA-6w47-7mpv-4v7c"],"status":"published","title":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a...","description":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request. IBM X-Force ID: 184441.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/S:U/UI:N/AC:L/C:N/I:N/PR:N/A:H/AV:N/RC:C/RL:O/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01602,"percentile":0.75984,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-09-21T14:55:24Z","modified":"2026-06-17T03:20:11Z","products":[{"vendor":"ibm","product":"datapower gateway"},{"vendor":"ibm","product":"datapower_gateway"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6334707","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184441","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4581"},{"url":"https://github.com/advisories/GHSA-6w47-7mpv-4v7c"}],"sources":{"cve":[{"id":"CVE-2020-4581","description":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request. IBM X-Force ID: 184441.","status":"published","published":"2020-09-21T14:55:24.672Z","modified":"2024-09-17T01:56:28.852Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/S:U/UI:N/AC:L/C:N/I:N/PR:N/A:H/AV:N/RC:C/RL:O/E:U","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-25828","description":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request. IBM X-Force ID: 184441.","status":"published","published":"2020-09-21T14:55:24Z","modified":"2024-09-17T01:56:28Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/S:U/UI:N/AC:L/C:N/I:N/PR:N/A:H/AV:N/RC:C/RL:O/E:U","level":"high"}],"updated_at":"2026-11-03T00:28:45.29969Z"}],"ghsa":[{"id":"GHSA-6w47-7mpv-4v7c","title":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a...","description":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request. IBM X-Force ID: 184441.","status":"published","published":"2022-05-24T17:29:03Z","modified":"2023-01-29T05:03:56Z","updated_at":"2026-11-02T14:45:26.08688Z"}],"nvd":[{"id":"CVE-2020-4581","description":"IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.12 could allow a remote attacker to cause a denial of service by sending a chunked transfer-encoding HTTP/2 request. IBM X-Force ID: 184441.","status":"published","published":"2020-09-21T15:15:12.933Z","modified":"2026-06-17T03:20:11.863Z","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":"2026-11-02T14:06:15.83396Z"}]}}