Security advisory

{
  "id": "c40d226be0e019efd4f289f83bdd4de6047bb6521eb98b996a53f662718e834d",
  "url": "https://osv.dev/vulnerability/CVE-2021-30638",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-30638",
    "summary": "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.",
    "evidence": "osv:CVE-2021-30638",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-30638",
      "aliases": [
        "CVE-2021-30638",
        "GHSA-ghm8-mmx7-xvg2"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/tapestry-5",
              "type": "GIT",
              "events": [
                {
                  "introduced": "2672e9847ad56d2b3f83c28319b532b92d6af5c9"
                },
                {
                  "fixed": "465024dec93adbb5e3b910c76a641366e45c58ce"
                },
                {
                  "introduced": "e6f2930cddbd22cae01629be1f615cf2d6fae53b"
                },
                {
                  "fixed": "ae95b7d598a1eec133be8feea79f24ba0962d1aa"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.4.0"
                      },
                      {
                        "fixed": "5.6.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.7.0"
                      },
                      {
                        "fixed": "5.7.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.7.1",
            "5.6.3",
            "5.6.2",
            "5.7.0",
            "5.6.1",
            "5.6.0",
            "5.5.0",
            "v5.5.0-beta-3",
            "5.5.0-beta-2",
            "5.5.0-beta-1",
            "5.5.0-alpha-10",
            "5.5.0-alpha-9",
            "5.5.0-alpha-8",
            "5.5.0-alpha-7",
            "5.5.0-alpha-6",
            "5.5.0-alpha-5",
            "5.5.0-alpha-4",
            "5.5.0-alpha-3",
            "5.5.0-alpha-2",
            "5.5.0-alpha-1",
            "5.4.1",
            "5.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30638.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:57.241928898Z",
      "provider": "osv",
      "references": [
        "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/"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:apache:tapestry:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "apache:tapestry",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "5.4.0"
                  },
                  {
                    "fixed": "5.6.4"
                  },
                  {
                    "introduced": "5.7.0"
                  },
                  {
                    "fixed": "5.7.2"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-30638",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438809,
  "published_at": "2021-04-27T19:15:07.733+00:00"
}