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Centum Vp CVE-2019-5909

CRITICAL
Improper Authentication (CWE-287)
2019-02-13 vultures@jpcert.or.jp
Authentication Bypass Centum Vp Prosafe Rs B M 9000 Vp Prm Yokogawa
9.8
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-287
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK

2 techniques across 2 tactics: Defense Evasion, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 5.4% exploitation probability (EPSS)

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AnalysisAI

License Manager Service of YOKOGAWA products (CENTUM VP (R5.01.00 - R6.06.00), CENTUM VP Entry Class (R5.01.00 - R6.06.00), ProSafe-RS (R3.01.00 - R4.04.00), PRM (R4.01.00 - R4.02.00), B/M9000. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. License Manager Service of YOKOGAWA products (CENTUM VP (R5.01.00 - R6.06.00), CENTUM VP Entry Class (R5.01.00 - R6.06.00), ProSafe-RS (R3.01.00 - R4.04.00), PRM (R4.01.00 - R4.02.00), B/M9000 VP(R7.01.01 - R8.02.03)) allows remote attackers to bypass access restriction to send malicious files to the PC where License Manager Service runs via unspecified vectors. Affected products include: Yokogawa B\/M 9000 Vp, Yokogawa Centum Vp, Yokogawa Prm, Yokogawa Prosafe-Rs.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

License Manager Service of YOKOGAWA products (CENTUM VP (R5.01.00 - R6.06.00), CENTUM VP Entry Class (R5.01.00 - R6.06.00), ProSafe-RS (R3.01.00 - R4.04.00), PRM (R4.01.00 - R4.02.00), B/M9000 VP(R7.01.01 - R8.02.03)) allows remote attackers to bypass access restriction to send malicious files to the PC where License Manager Service runs via unspecified vectors.

Threat Intelligence Overview

EPSS Score
5.4%
Top 8% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 5.4%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

54
Low Medium High Critical
KEV: 0
EPSS: +5
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:yokogawa:b\/m_9000_vp:*:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:centum_vp:*:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:centum_vp:*:*:*:*:basic:*:*:*
cpe:2.3:a:yokogawa:centum_vp:*:*:*:*:small:*:*:*
cpe:2.3:a:yokogawa:prm:*:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:prosafe-rs:*:*:*:*:*:*:*:*

More in Centum Vp

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CVE-2014-0782 HIGH POC
8.3 May 16

Stack-based buffer overflow in BKESimmgr.exe in the Expanded Test Functions package in Yokogawa CENTUM CS 1000, CENTUM C
CVE-2014-3888 HIGH POC
8.3 Jul 10

Stack-based buffer overflow in BKFSim_vhfd.exe in Yokogawa CENTUM CS 1000, CENTUM CS 3000 R3.09.50 and earlier, CENTUM V
CVE-2014-5208 HIGH POC
7.5 Dec 22

BKBCopyD.exe in the Batch Management Packages in Yokogawa CENTUM CS 3000 through R3.09.50 and CENTUM VP through R4.03.00
CVE-2022-26034 CRITICAL
9.1 Apr 15

Improper authentication vulnerability in the communication protocol provided by AD (Automation Design) server of CENTUM

CVE-2023-26593 HIGH
7.8 Apr 11

CENTUM series provided by Yokogawa Electric Corporation are vulnerable to cleartext storage of sensitive information. Ra
CVE-2022-27188 HIGH
7.8 Apr 15

OS command injection vulnerability exists in CENTUM VP R4.01.00 to R4.03.00, CENTUM VP Small R4.01.00 to R4.03.00, CENTU
CVE-2018-8838 MEDIUM
6.5 Apr 17

A weakness in access controls in CENTUM CS 1000 all versions, CENTUM CS 3000 versions R3.09.50 and earlier, CENTUM CS 30
CVE-2025-7741 LOW
2.1 Mar 30

Hardcoded password vulnerability in Yokogawa CENTUM VP allows authentication bypass for the PROG system account across v

Same weakness CWE-287 – Improper Authentication

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CVE-2022-40684 CRITICAL POC
9.8
CVE-2025-61882 CRITICAL POC
9.8
CVE-2020-0688 HIGH POC
8.8
CVE-2023-46805 HIGH POC
8.2
CVE-2023-35078 CRITICAL POC
9.8
CVE-2015-1187 CRITICAL POC
9.8
CVE-2024-7593 CRITICAL POC
9.8
CVE-2017-7921 CRITICAL POC
9.8

Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC
10.0
CVE-2023-22515 CRITICAL POC
9.8
CVE-2012-4681 CRITICAL POC
9.8
CVE-2013-2465 CRITICAL POC
9.8
CVE-2011-3544 CRITICAL POC
9.8
CVE-2024-0012 CRITICAL POC
9.3

References

Advisories & patches
ADVISORY https://web-material3.yokogawa.com/1/20653/files/YSAR-19-0001-E.pdf REF http://jvn.jp/vu/JVNVU99147082/index.html REF http://www.securityfocus.com/bid/106772

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