{"id":"CVE-2020-4876","aliases":["EUVD-2020-26123","GHSA-2vxp-rq9r-5v72"],"status":"published","title":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity...","description":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.","severity":{"version":"3.0","score":7.1,"vector":"CVSS:3.0/C:H/A:L/PR:L/S:U/I:N/AC:L/AV:N/UI:N/RC:C/RL:O/E:U","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01726,"percentile":0.77703,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2022-01-21T17:20:18Z","modified":"2026-06-17T03:20:34Z","products":[{"vendor":"ibm","product":"cognos controller"},{"vendor":"ibm","product":"cognos_controller"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6509856","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/190839","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4876"},{"url":"https://github.com/advisories/GHSA-2vxp-rq9r-5v72"}],"sources":{"cve":[{"id":"CVE-2020-4876","description":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.","status":"published","published":"2022-01-21T17:20:18.549Z","modified":"2024-09-17T01:16:21.103Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/C:H/A:L/PR:L/S:U/I:N/AC:L/AV:N/UI:N/RC:C/RL:O/E:U","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-26123","description":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.","status":"published","published":"2022-01-21T17:20:18Z","modified":"2024-09-17T01:16:21Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/C:H/A:L/PR:L/S:U/I:N/AC:L/AV:N/UI:N/RC:C/RL:O/E:U","level":"high"}],"updated_at":"2026-11-03T00:28:51.310992Z"}],"ghsa":[{"id":"GHSA-2vxp-rq9r-5v72","title":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity...","description":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.","status":"published","published":"2022-01-22T00:00:41Z","modified":"2023-02-03T05:05:16Z","cwes":["CWE-611"],"updated_at":"2026-11-02T14:53:42.900002Z"}],"nvd":[{"id":"CVE-2020-4876","description":"IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.","status":"published","published":"2022-01-21T18:15:08.097Z","modified":"2026-06-17T03:20:34.847Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"high","assessor":"primary"},{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","level":"high","assessor":"secondary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:06:46.951463Z"}]}}