THREATPORT/VULNERABILITY/CVE-2019-17570
CRITICAL SEVERITY

CVE-2019-17570

Xml Rpc vulnerability

CVSS
9.8
EPSS
49.3%
EPSS pct
99th
Exploited
No known
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 Apache XML-RPC is no longer maintained and this issue will not be fixed.
Affected vendor
Apache
Affected product
Xml Rpc
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2020-01-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 49.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2019-17570

  • Confirm whether Apache Xml Rpc is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-17570.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-17570

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-17570 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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