{"id":"CVE-2021-30638","aliases":["GHSA-ghm8-mmx7-xvg2"],"url":"https://o3.security/vulnerability/CVE-2021-30638","summary":"Information Exposure in Apache Tapestry","details":"Information Exposure vulnerability in context asset handling of Apache Tapestry allows an attacker to download files inside WEB-INF if using a specially-constructed URL. This was caused by an incomplete fix for CVE-2020-13953. This issue affects Apache Tapestry Apache Tapestry 5.4.0 version to Apache Tapestry 5.6.3; Apache Tapestry 5.7.0 version and Apache Tapestry 5.7.1.","published":"2021-04-27T19:15:07.733Z","modified":"2026-07-09T00:14:03.283103Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.06559,"percentile":0.93384,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tapestry:tapestry-core","fixedVersion":"5.6.4"},{"ecosystem":"Maven","name":"org.apache.tapestry:tapestry-core","fixedVersion":"5.7.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2021/04/27/3"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r37dab61fc7f7088d4311e7f995ef4117d58d86a675f0256caa6991eb%40%3Cusers.tapestry.apache.org%3E"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210528-0004/"},{"type":"ADVISORY","url":"https://www.zerodayinitiative.com/advisories/ZDI-21-491/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:14:03.283103Z"}}