by Kastro
Paper/Archive/CVE-2020-17531

CVE-2020-17531

Apache Software Foundation Apache Tapestry — Deserialization flaw in EOL Tapestry 4.

EPSS 10%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 95.6.956 × 2019.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

A Java Serialization vulnerability was found in Apache Tapestry 4. Apache Tapestry 4 will attempt to deserialize the "sp" parameter even before invoking the page's validate method, leading to deserialization without authentication. Apache Tapestry 4 reached end of life in 2008 and no update to address this issue will be released. Apache Tapestry 5 versions are not vulnerable to this issue. Users of Apache Tapestry 4 should upgrade to the latest Apache Tapestry 5 version.

Affected

ProductAffectedFixed inSource
Apache TapestryApache Tapestry 4 – 4–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

reflists.apache.org/thread.html/r700a6aa234dbff0555d4187bdc8274d7e4c0afbf35b9a3457f09ee76%40%3Cusers.tapestry.apache.org%3Erefsecurity.netapp.com/advisory/ntap-20210115-0007refopenwall.com/lists/oss-security/2022/12/02/1