{"cve":"CVE-2021-30638","nvd":{"published":"2021-04-27T19:15:07.733","modified":"2026-06-17T03:50:36.517","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-863","CWE-200"],"references":["http://www.openwall.com/lists/oss-security/2021/04/27/3","https://lists.apache.org/thread.html/r37dab61fc7f7088d4311e7f995ef4117d58d86a675f0256caa6991eb%40%3Cusers.tapestry.apache.org%3E","https://security.netapp.com/advisory/ntap-20210528-0004/","https://www.zerodayinitiative.com/advisories/ZDI-21-491/","http://www.openwall.com/lists/oss-security/2021/04/27/3"],"products":["apache:tapestry"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-30638","score":0.06559,"percentile":0.93816,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-ghm8-mmx7-xvg2","url":"https://osv.dev/vulnerability/GHSA-ghm8-mmx7-xvg2","summary":"Information Exposure in Apache Tapestry","modified":"2024-02-16T08:16:05.945416Z","packages":[{"ecosystem":"Maven","name":"org.apache.tapestry:tapestry-core","purl":"pkg:maven/org.apache.tapestry/tapestry-core","ranges":[">=5.4.0 <5.6.4"],"fixed":["5.6.4"]},{"ecosystem":"Maven","name":"org.apache.tapestry:tapestry-core","purl":"pkg:maven/org.apache.tapestry/tapestry-core","ranges":[">=5.7.0 <5.7.2"],"fixed":["5.7.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}