{"id":"CVE-2021-27601","aliases":["EUVD-2021-14348","GHSA-hfcm-37qj-j7cf"],"status":"published","title":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized...","description":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.","severity":{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0049,"percentile":0.42498,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-04-13T18:43:53Z","modified":"2026-06-17T03:45:12Z","products":[{"vendor":"sap","product":"netweaver_application_server_java"},{"vendor":"sap se","product":"sap netweaver as for java (applications based on htmlb for java)"}],"references":[{"url":"https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://launchpad.support.sap.com/#/notes/2963592","tags":["x_refsource_MISC","x_transferred","Permissions Required"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27601"},{"url":"https://github.com/advisories/GHSA-hfcm-37qj-j7cf"}],"sources":{"cve":[{"id":"CVE-2021-27601","description":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.","status":"published","published":"2021-04-13T18:43:53Z","modified":"2024-08-03T21:26:10.336Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14348","description":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.","status":"published","published":"2021-04-13T18:43:53Z","modified":"2024-08-03T21:26:10Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:48.919164Z"}],"ghsa":[{"id":"GHSA-hfcm-37qj-j7cf","title":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized...","description":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.","status":"published","published":"2022-05-24T17:47:17Z","modified":"2023-01-29T05:06:22Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:00.528527Z"}],"nvd":[{"id":"CVE-2021-27601","description":"SAP NetWeaver AS Java (Applications based on HTMLB for Java) allows a basic-level authorized attacker to store a malicious file on the server. When a victim tries to open this file, it results in a Cross-Site Scripting (XSS) vulnerability and the attacker can read and modify data. However, the attacker does not have control over kind or degree.","status":"published","published":"2021-04-13T19:15:15.257Z","modified":"2026-06-17T03:45:12.423Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}