CVE Database›Document archive›CVE-2016-5003

CVE-2016-5003

xmlrpc: Deserialization of untrusted Java object through tag

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.0

Review impact separately from score.

Published · May 24, 2016

Updated · November 4, 2026

Description

A flaw was discovered in the Apache XML-RPC (ws-xmlrpc) library that deserializes untrusted data when enabledForExtensions setting is enabled. A remote attacker could use this vulnerability to execute arbitrary code via a crafted serialized Java object in a ex:serializable ↗ element.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Setting enabledForExtensions is false by default, thus ex:serializable ↗ elements are not automatically deserialized. However, if you have it enabled and you don't need any of the provided functions (https://ws.apache.org/xmlrpc/extensions.html) we suggest you disable it.

CVSS / CWE

CVSS 3.0 · 7.5
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-502 · Deserialization of Untrusted Data