{"id":"CVE-2021-20455","aliases":["EUVD-2021-7873","GHSA-4mw2-5g8m-w232"],"status":"published","title":"IBM Cognos Controller information disclosure","description":"IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00496,"percentile":0.43011,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-209"],"published":"2025-01-07T16:04:37Z","modified":"2026-06-17T03:33:52Z","products":[{"vendor":"ibm","product":"cognos controller"},{"vendor":"ibm","product":"cognos_controller"},{"vendor":"ibm","product":"controller"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7179163","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20455"},{"url":"https://github.com/advisories/GHSA-4mw2-5g8m-w232"}],"sources":{"cve":[{"id":"CVE-2021-20455","title":"IBM Cognos Controller information disclosure","description":"IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.","status":"published","published":"2025-01-07T16:04:37.01Z","modified":"2025-01-07T16:58:53.303Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-7873","description":"IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.","status":"published","published":"2025-01-07T16:04:37Z","modified":"2025-01-07T16:58:53Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T00:04:24.776491Z"}],"ghsa":[{"id":"GHSA-4mw2-5g8m-w232","title":"IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote...","description":"IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.","status":"published","published":"2025-01-07T18:30:49Z","modified":"2025-01-07T18:30:58Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:59:23.663731Z"}],"nvd":[{"id":"CVE-2021-20455","description":"IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.","status":"published","published":"2025-01-07T16:15:27.43Z","modified":"2026-06-17T03:33:52.863Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:07:08.629518Z"}]}}