CVE-2021-30638 json
An Information Disclosure due to insufficient input validation exists in Apache Tapestry 5.4.0 and later
published 2021-04-27 5 y ago modified 2026-06-17 4 mo ago also GHSA-ghm8-mmx7-xvg2 , EUVD-2022-1426
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.6%
- EPSS 6.6% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
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.
Patch / fix
- maven org.apache.tapestry:tapestry-core 5.6.4, 5.7.2
- Apache Software Foundation Apache Tapestry Apache Tapestry 5.6.4, Apache Tapestry 5.7.2
Exploit prediction
6.56% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.tapestry:tapestry-core | >=5.4.0, <5.6.4 >=5.7.0, <5.7.2 |
5.6.4 5.7.2 |
Affected products
- Apache Software Foundation Apache Tapestry
Classification
References
-
lists.apache.org
/thread.html/r37dab61fc7f7088d4311e7f995ef4117d58d86a675f0256caa6991eb%40%3Cusers.tapestry.apache.org%3E
web, mailing-list, vendor-advisory
-
openwall.com
/lists/oss-security/2021/04/27/3
mailing-list, web, third-party-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-491/
third-party-advisory, vdb-entry
-
security.netapp.com
/advisory/ntap-20210528-0004/
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-30638
advisory
-
security.netapp.com
/advisory/ntap-20210528-0004
web
-
zerodayinitiative.com
/advisories/ZDI-21-491
web
Sources
- CVE List CVE-2021-30638
- GitHub Advisory GHSA-ghm8-mmx7-xvg2
- NVD CVE-2021-30638
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.