Deserialization in Apache Xml-Rpc

CVE-2019-17570

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 Apache XML-RPC is no longer maintained and this issue will not be fixed.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.493 (98.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-17570: held from 0.493 to 0.493.

EPSS over last 30 days · oldest: 0.493 · newest: 0.493 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-17570?
CVE-2019-17570 is a critical-severity vulnerability in Apache Xml-Rpc, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-01-23.
How severe is CVE-2019-17570?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-17570 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.