What is CVE-2020-17531?

CVE-2020-17531 is a vulnerability in Apache Software Foundation Tapestry, classified under Deserialization of Untrusted Data. Published 2020-12-08.

Is CVE-2020-17531 known to be exploited?

14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Apache Software Foundation Tapestry

CVE-2020-17531

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…

Vulnerability class: Insecure Deserialization

EPSS: 0.641 (98.5th percentile) — read the EPSS interpretation.

Affected products

Apache Software Foundation Tapestry — versions Apache Tapestry 4

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

154802388/CVE-2020-17531
20142995/nuclei-templates
ARPSyndicate/cve-scores
Live-Hack-CVE/CVE-2020-1753
Live-Hack-CVE/CVE-2020-17531
Live-Hack-CVE/CVE-2022-46366
cyb3r-w0lf/nuclei-template-collection
developer3000S/PoC-in-GitHub
hectorgie/PoC-in-GitHub
k0mi-tg/CVE-POC

References

lists.apache.org/thread.html/r700a6aa234dbff0555d4187bdc8274d7e4c0afbf35b9a3457…
security.netapp.com/advisory/ntap-20210115-0007/
[oss-security] 20221202 CVE-2022-46366: Apache Tapestry prior to version 4 (EOL) allows RCE though deserialization of untrusted input (mailing-list)

Frequently asked questions

What is CVE-2020-17531?: CVE-2020-17531 is a vulnerability in Apache Software Foundation Tapestry, classified under Deserialization of Untrusted Data. Published 2020-12-08.
Is CVE-2020-17531 known to be exploited?: 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.