{"id":"CVE-2020-11991","aliases":["EUVD-2020-4311","GHSA-586v-g7r5-mhgp"],"status":"published","title":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML,...","description":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.72456,"percentile":0.99443,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2020-09-11T13:28:20Z","modified":"2026-06-17T02:51:12Z","exploits":[{"source":"nuclei","id":"CVE-2020-11991","title":"Apache Cocoon 2.1.12 - XML Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-11991.yaml"}],"products":[{"vendor":"apache","product":"cocoon"},{"vendor":"apache software foundation","product":"apache cocoon"}],"references":[{"url":"https://lists.apache.org/thread.html/r77add973ea521185e1a90aca00ba9dae7caa8d8b944d92421702bb54%40%3Cusers.cocoon.apache.org%3E","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-11991"},{"url":"https://github.com/advisories/GHSA-586v-g7r5-mhgp"}],"sources":{"cve":[{"id":"CVE-2020-11991","description":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.","status":"published","published":"2020-09-11T13:28:20Z","modified":"2024-08-04T11:48:57.582Z","updated_at":"2026-11-02T14:35:57.67317Z"}],"euvd":[{"id":"EUVD-2020-4311","description":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.","status":"published","published":"2020-09-11T13:28:20Z","modified":"2024-08-04T11:48:57Z","updated_at":"2026-11-03T03:07:41.399649Z"}],"ghsa":[{"id":"GHSA-586v-g7r5-mhgp","title":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML,...","description":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.","status":"published","published":"2022-05-24T17:27:59Z","modified":"2023-01-29T05:04:29Z","updated_at":"2026-11-02T14:45:33.67375Z"}],"nvd":[{"id":"CVE-2020-11991","description":"When using the StreamGenerator, the code parse a user-provided XML. A specially crafted XML, including external system entities, could be used to access any file on the server system.","status":"published","published":"2020-09-11T14:15:11.16Z","modified":"2026-06-17T02:51:12.5Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}