{"id":"CVE-2021-20492","aliases":["EUVD-2021-7910","GHSA-g945-cxxh-jxh9"],"status":"published","title":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch is vulnerable to an XML...","description":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch 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: 197793.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/S:U/C:H/A:L/I:N/AC:H/PR:N/AV:N/UI:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.02071,"percentile":0.81716,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2021-05-26T16:20:18Z","modified":"2026-06-17T03:33:55Z","products":[{"vendor":"ibm","product":"websphere application server"},{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6456017","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/197793","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20492"},{"url":"https://github.com/advisories/GHSA-g945-cxxh-jxh9"}],"sources":{"cve":[{"id":"CVE-2021-20492","description":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch 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: 197793.","status":"published","published":"2021-05-26T16:20:18.402Z","modified":"2024-09-16T17:15:21.724Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/S:U/C:H/A:L/I:N/AC:H/PR:N/AV:N/UI:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7910","description":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch 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: 197793.","status":"published","published":"2021-05-26T16:20:18Z","modified":"2024-09-16T17:15:21Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/S:U/C:H/A:L/I:N/AC:H/PR:N/AV:N/UI:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:55:43.899381Z"}],"ghsa":[{"id":"GHSA-g945-cxxh-jxh9","title":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch is vulnerable to an XML...","description":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch 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: 197793.","status":"published","published":"2022-05-24T19:03:20Z","modified":"2023-01-29T05:07:45Z","cwes":["CWE-611"],"updated_at":"2026-11-02T14:46:11.123221Z"}],"nvd":[{"id":"CVE-2021-20492","description":"IBM WebSphere Application Server 8.0, 8.5, 9.0, and Liberty Java Batch 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: 197793.","status":"published","published":"2021-05-26T17:15:14.297Z","modified":"2026-06-17T03:33:55.39Z","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":6.5,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L","level":"medium","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":"2026-11-02T14:06:53.987491Z"}]}}