Phoenix Contact Software ProConOs and MultiProg Missing Authentication for Critical Function

published 2015-01-17 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-9020

cvss: 10.0; version 2.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 81.1%; EPSS 81.1% chance of exploitation in 30 days, percentile 99.6%
public exploits: 2; Metasploit, Exploit-DB

Phoenix Contact ProConOs and MultiProg do not require authentication, which allows remote attackers to execute arbitrary commands via protocol-compliant traffic.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-279-06 updated 2026-10-06 cvss 8.1

Hitachi Energy RTU500

Hitachi Energy RTU500 series CMU Firmware vers:RTU500_series_CMU_Firmware/<=11.x
affected: fixed in 12.7.8

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-15-013-03 updated 2025-06-06 cvss 10.0

Phoenix Contact Software ProConOs and MultiProg Authentication Vulnerability

Phoenix Contact Software MultiProg Phoenix Contact Software ProConOs
affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

2015-01-17 Published
2015-05-20 First public exploit (Metasploit auxiliary/admin/scada/phoenix_command)

Exploit prediction

81.11% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit auxiliary/admin/scada/phoenix_command PhoenixContact PLC Remote START/STOP Command metasploit auxiliary, normal rank, 2015-05-20
EDB-37066 Phoenix Contact ILC 150 ETH PLC - Remote Control Script remote, 2015-05-20

CVSS scores

assigned by	version	score	vector
CNA	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

Phoenix Contact ProConOs
Phoenix Contact MultiProg

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-255 Credentials Management Errors

References

exploit-db.com /exploits/37066/
exploit, third-party-advisory, vdb-entry
cisa.gov /news-events/ics-advisories/icsa-15-013-03
ics-cert.us-cert.gov /advisories/ICSA-15-013-03
third-party-advisory, us-government-resource

Sources

CVE List CVE-2014-9195
NVD CVE-2014-9195

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary