{"id":"CVE-2021-20399","aliases":["EUVD-2021-7817","GHSA-3gg6-gcfv-5r7j"],"status":"published","title":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and  7.4.0 to 7.4.3 GA is vulnerable to an XML External...","description":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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: 196073.","severity":{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/PR:L/C:H/UI:N/AC:L/S:U/I:N/A:L/RC:C/E:U/RL:O","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01788,"percentile":0.78524,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2021-07-27T11:25:15Z","modified":"2026-06-17T03:33:47Z","products":[{"vendor":"ibm","product":"qradar siem"},{"vendor":"ibm","product":"qradar_security_information_and_event_manager"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6475263","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/196073","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20399"},{"url":"https://github.com/advisories/GHSA-3gg6-gcfv-5r7j"}],"sources":{"cve":[{"id":"CVE-2021-20399","description":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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: 196073.","status":"published","published":"2021-07-27T11:25:15.517Z","modified":"2024-09-17T03:34:04.313Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/PR:L/C:H/UI:N/AC:L/S:U/I:N/A:L/RC:C/E:U/RL:O","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7817","description":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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: 196073.","status":"published","published":"2021-07-27T11:25:15Z","modified":"2024-09-17T03:34:04Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/PR:L/C:H/UI:N/AC:L/S:U/I:N/A:L/RC:C/E:U/RL:O","level":"high"}],"updated_at":"2026-11-03T00:28:30.770637Z"}],"ghsa":[{"id":"GHSA-3gg6-gcfv-5r7j","title":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and  7.4.0 to 7.4.3 GA is vulnerable to an XML External...","description":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and  7.4.0 to 7.4.3 GA 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:  196073.","status":"published","published":"2022-05-24T19:09:16Z","modified":"2023-01-30T05:01:10Z","cwes":["CWE-611"],"updated_at":"2026-11-02T14:46:21.093669Z"}],"nvd":[{"id":"CVE-2021-20399","description":"IBM Qradar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA 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: 196073.","status":"published","published":"2021-07-27T12:15:07.443Z","modified":"2026-06-17T03:33:47.457Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","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":"2026-11-02T14:06:56.185362Z"}]}}