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CVE-2019-17570

CriticalPublished

An untrusted deserialization was found in the org.apache.xmlrpc.parser.XmlRpcResponseParser:addResult method of Apache XML-RPC (aka ws-xmlrpc) library. A...

Published: Jan 23, 2020
Updated: Aug 5, 2024
Assigning CNA: apache
Evidence observed: Aug 8, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

49.3%

Moderate · next 30 days

Percentile: 98.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

An untrusted deserialization was found in the org.apache.xmlrpc.parser.XmlRpcResponseParser:addResult method of Apache XML-RPC (aka ws-xmlrpc) library. A malicious XML-RPC server could target a XML-RPC client causing it to execute arbitrary code. Apache XML-RPC is no longer maintained and this issue will not be fixed.

Sources

xmlrpc-common-deserializationPoC
Technical analysis and proof-of-concept exploit for CVE-2019-17570, a Java deserialization vulnerability in Apache xmlrpc-common enabling remote code execution via malicious XML-RPC server responses.
CVE-2019-17570PoC
xmlrpc common deserialization vulnerability

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