{"id":"CVE-2021-20450","aliases":["EUVD-2021-7868","GHSA-wvrv-rpq3-gjq6"],"status":"published","title":"IBM Cognos Controller information disclosure","description":"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.  IBM X-Force ID:  196640.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00366,"percentile":0.30821,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-565"],"published":"2024-05-03T16:55:57Z","modified":"2026-06-17T03:33:52Z","products":[{"vendor":"ibm","product":"cognos controller"},{"vendor":"ibm","product":"cognos_controller"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7149876","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/196640","tags":["vdb-entry","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20450"},{"url":"https://github.com/advisories/GHSA-wvrv-rpq3-gjq6"}],"sources":{"cve":[{"id":"CVE-2021-20450","title":"IBM Cognos Controller information disclosure","description":"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.  IBM X-Force ID:  196640.","status":"published","published":"2024-05-03T16:55:57.932Z","modified":"2024-12-05T20:36:10.987Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-565"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-7868","description":"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.  IBM X-Force ID:  196640.","status":"published","published":"2024-05-03T16:55:57Z","modified":"2024-12-05T20:36:10Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:39.661841Z"}],"ghsa":[{"id":"GHSA-wvrv-rpq3-gjq6","title":"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on...","description":"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.  IBM X-Force ID:  196640.","status":"published","published":"2024-05-03T18:30:37Z","modified":"2024-12-05T21:31:52Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-565"],"updated_at":"2026-11-02T14:59:03.217136Z"}],"nvd":[{"id":"CVE-2021-20450","description":"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic.  IBM X-Force ID:  196640.","status":"published","published":"2024-05-03T17:15:07.363Z","modified":"2026-06-17T03:33:52.41Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-565"],"updated_at":"2026-11-02T14:07:08.163458Z"}]}}