What is CVE-2016-4531?

CVE-2016-4531 is a high-severity vulnerability in Rockwellautomation Factorytalk Energrymetrix, classified under Improper Authorization. CVSS score: 7.3/10. Published 2016-07-28.

How severe is CVE-2016-4531?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2016-4531 known to be exploited?

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

Auth bypass in Rockwellautomation Factorytalk Energrymetrix

CVE-2016-4531

Rockwell Automation FactoryTalk EnergyMetrix before 2.20.00 does not invalidate credentials upon a logout action, which makes it easier for remote attackers to obtain access by leveraging an unattended workstation.

Published 2016-07-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.082 (94.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000

Affected products

Rockwellautomation Factorytalk Energrymetrix

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

ics-cert.us-cert.gov/advisories/ICSA-16-173-03 (US Government Resource, Third Party Advisory)
www.securityfocus.com/bid/92135 (vdb-entry)

Frequently asked questions

What is CVE-2016-4531?: CVE-2016-4531 is a high-severity vulnerability in Rockwellautomation Factorytalk Energrymetrix, classified under Improper Authorization. CVSS score: 7.3/10. Published 2016-07-28.
How severe is CVE-2016-4531?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2016-4531 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.