Deserialization in Apache Ws-Xmlrpc

CVE-2016-5003

The Apache XML-RPC (aka ws-xmlrpc) library 3.1.3, as used in Apache Archiva, allows remote attackers to execute arbitrary code via a crafted serialized Java object in an <ex:serializable> element.

Vulnerability class: Insecure Deserialization

EPSS: 0.149 (96.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-5003?
CVE-2016-5003 is a critical-severity vulnerability in Apache Ws-Xmlrpc, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2017-10-27.
How severe is CVE-2016-5003?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-5003 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.