{"id":"CVE-2021-29872","aliases":["EUVD-2021-16346","GHSA-4556-grwq-3p9h"],"status":"published","title":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is...","description":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 206228.","severity":{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/C:L/AC:L/PR:L/I:L/UI:N/S:U/A:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00771,"percentile":0.55983,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116"],"published":"2022-01-18T16:50:10Z","modified":"2026-06-17T03:48:24Z","products":[{"vendor":"ibm","product":"cloud pak for automation"},{"vendor":"ibm","product":"cloud_pak_for_automation"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6541294","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/206228","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29872"},{"url":"https://github.com/advisories/GHSA-4556-grwq-3p9h"}],"sources":{"cve":[{"id":"CVE-2021-29872","description":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 206228.","status":"published","published":"2022-01-18T16:50:10.77Z","modified":"2024-09-16T19:56:13.182Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/C:L/AC:L/PR:L/I:L/UI:N/S:U/A:N/RC:C/E:U/RL:O","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-16346","description":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 206228.","status":"published","published":"2022-01-18T16:50:10Z","modified":"2024-09-16T19:56:13Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/C:L/AC:L/PR:L/I:L/UI:N/S:U/A:N/RC:C/E:U/RL:O","level":"medium"}],"updated_at":"2026-11-03T00:55:18.708292Z"}],"ghsa":[{"id":"GHSA-4556-grwq-3p9h","title":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is...","description":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 206228.","status":"published","published":"2022-01-19T00:01:12Z","modified":"2023-02-03T05:04:53Z","cwes":["CWE-116"],"updated_at":"2026-11-02T14:53:38.626767Z"}],"nvd":[{"id":"CVE-2021-29872","description":"IBM Cloud Pak for Automation 21.0.1 and 21.0.2 - Business Automation Studio Component is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. By sending a specially crafted HTTP request, a remote attacker could exploit this vulnerability to inject HTTP HOST header, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 206228.","status":"published","published":"2022-01-18T17:15:08.353Z","modified":"2026-06-17T03:48:24.93Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}