Public proof of conceptFix available

CVE-2019-17570

A public proof of concept exists; no exploitation attested.

Published2020-01-23
WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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 Apache XML-RPC is no longer maintained and this issue will not be fixed.

Timeline

dates in UTC

2020-01-2322:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-17570?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-17570?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

xmlrpc

Branch	Affected	Fixed in	Source
3.1	≤ 3.1.3	no fix published	OSV

Apache xml-rpc

Branch	Affected	Fixed in	Source
3.1	= 3.1	no fix published	NVD
3.1	= 3.1.1	no fix published	NVD
3.1	= 3.1.2	no fix published	NVD
3.1	= 3.1.3	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD
9.0	= 9.0	no fix published	NVD
10.0	= 10.0	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

libxmlrpc3-javaUbuntu:18.04:LTSall versions · fixed in 3.1.3-9+deb10u1build0.18.04.1
libxmlrpc3-javaUbuntu:16.04:LTSall versions · fixed in 3.1.3-7+deb8u1build0.16.04.1
libxmlrpc3-javaDebian:10all versions · fixed in 3.1.3-9+deb10u1
libxmlrpc3-javaDebian:9all versions · fixed in 3.1.3-8+deb9u1
libxmlrpc3-javaDebian:8all versions · fixed in 3.1.3-7+deb8u1
rh-java-common-xmlrpcRed Hat:rhel_software_collections:3::el7all versions · fixed in 1:3.1.3-8.17.el7and 4 other packages
rh-java-common-xmlrpcRed Hat:rhel_software_collections:3::el6all versions · fixed in 1:3.1.3-8.17.el6and 4 other packages
xmlrpcopenEuler:22.03-LTSall versions · fixed in 3.1.3-2.oe2203

4 more package ranges on OSV.dev

Vendor advisories

CVE-2019-17570 Red Hat Product Security36 products fixed · 8 known affected
xmlrpc: Deserialization of server-side exception from faultCause in XMLRPC error response
xmlrpc-client as a component of Red Hat Enterprise Linux 7 · xmlrpc-common as a component of Red Hat Enterprise Linux 7 · xmlrpc-javadoc as a component of Red Hat Enterprise Linux 7 · +5 more
RHSA-2020:0983 Red Hat Product Security1 product fixed
Red Hat Security Advisory: Red Hat Fuse 7.6.0 security update
RHSA-2020:0310 Red Hat Product Security35 products fixed
Red Hat Security Advisory: rh-java-common-xmlrpc security update

Full record on NVD

Fix

Vendor fix Red Hat Product Security RHSA-2020:0983 · 1 productBefore applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. Installation instructions are available from the Fuse 7.6.0 product documentation page: https://access.redhat.com/documentation/en-us/red_hat…
Vendor fix Red Hat Product Security RHSA-2020:0310 · 35 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Workaround from the vendor Red Hat Product Security RHSA-2020:0983 · 1 productThere is no known mitigation other than restricting applications using the Apache XMLRPC client library from sending requests to untrusted XMLRPC servers.
No fix available, says the vendor Red Hat Product Security CVE-2019-17570 · 1 productAffected
No fix planned, says the vendor Red Hat Product Security CVE-2019-17570 · 1 productOut of support scope
No fix planned, says the vendor Red Hat Product Security CVE-2019-17570 · 6 productsWill not fix

Advisories and patches

lists.apache.orgVendor Advisory
usn.ubuntu.comPatch

Detection

read 2026-11-02 22:42 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 2 repositories, unverifiedr00t4dm/CVE-2019-17570im23pds/xmlrpc-common-deserialization
Metasploit modules: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
NVDweakness (CWE)CWE-502read 2026-10-23
FIRST EPSSEPSS score49.3 %read 2026-11-02
PoC-in-GitHubproof of concept2read 2026-11-02
OSVaffected packages—
GitHub AdvisoriesadvisoryCRITICAL2020-06-09

Identifiers

EUVD-2020-0468same flawENISA EUVD · LicenseRef-ENISA-legal-notice
GHSA-6vwp-35w3-xph8same flawGitHub Advisory Database · CC-BY-4.0
DLA-2078-1advisory covering several CVEsDebian · LicenseRef-unstated
DSA-4619-1advisory covering several CVEsDebian · LicenseRef-unstated
MGASA-2020-0077advisory covering several CVEsMageia · LicenseRef-unstated
OESA-2022-1545advisory covering several CVEsopenEuler · LicenseRef-unstated
OESA-2022-2096advisory covering several CVEsopenEuler · LicenseRef-unstated
RHSA-2020:0310advisory covering several CVEsRed Hat · CC-BY-4.0
USN-4496-1advisory covering several CVEsUbuntu

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2020-01-23
Last Modified: 2026-06-17
NVD status: Modified
GitHub Advisory: GHSA-6vwp-35w3-xph8

Frequently asked questions

What is CVE-2019-17570?

Is CVE-2019-17570 actively exploited?

Active exploitation of CVE-2019-17570 has not been confirmed. Its EPSS score was 49.3% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-17570?

CVE-2019-17570 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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