What is CVE-2016-2170?

CVE-2016-2170 is a critical-severity vulnerability in Apache Ofbiz, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-04-12.

How severe is CVE-2016-2170?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-2170 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Apache Ofbiz

CVE-2016-2170

Apache OFBiz 12.04.x before 12.04.06 and 13.07.x before 13.07.03 allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections library.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-04-12 · last modified 2026-06-17.

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: 0.127 (96.2th percentile), scored 2026-10-22.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.127 · newest: 0.127 · change: 0.000

Affected products

Apache Ofbiz

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

ofbiz.apache.org/download.html (Patch, Vendor Advisory)
blogs.apache.org/ofbiz/entry/announce_apache_ofbiz_12_04 (Patch, Vendor Advisory)
www.securitytracker.com/id/1035513 (VDB Entry, Third Party Advisory, vdb-entry)
issues.apache.org/jira/browse/OFBIZ-6726 (Patch, Vendor Advisory)
cwiki.apache.org/confluence/display/OFBIZ/The+infamous+Java+serialization+vulne… (Vendor Advisory)
www.securityfocus.com/archive/1/538034/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)
blogs.apache.org/ofbiz/entry/announce_apache_ofbiz_13_07 (Vendor Advisory)
packetstormsecurity.com/files/136639/Apache-OFBiz-13.07.02-13.07.01-Information… (VDB Entry, Third Party Advisory)
lists.apache.org/thread.html/r0d97a3b7a14777b9e9e085b483629d2774343c4723236d1c7… (mailing-list)
lists.apache.org/thread.html/reccf8c8a58337ce7c035495d3d82fbc549e97036a9789a2a7… (mailing-list)

Frequently asked questions

What is CVE-2016-2170?: CVE-2016-2170 is a critical-severity vulnerability in Apache Ofbiz, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2016-04-12.
How severe is CVE-2016-2170?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-2170 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.