Skip to main content

Fast Tools CVE-2014-7251

LOW
Improper Input Validation (CWE-20)
2014-12-06 vultures@jpcert.or.jp
Denial Of Service XXE Fast Tools Yokogawa
3.2
CVSS 2.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
CWE-20
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 3.2 (LOW). Attack characteristics: local attack vector, low complexity. EPSS exploitation probability: 0.07%.
Exploit ScenarioDerived

Successful exploitation could compromise the low-severity affected system.
Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.1% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

XML external entity (XXE) vulnerability in the WebHMI server in Yokogawa Electric Corporation FAST/TOOLS before R9.05-SP2 allows local users to cause a denial of service (CPU or network traffic. Rated low severity (CVSS 3.2), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Sign in to check
Technical ContextAI · show details

This vulnerability is classified under CWE-20. XML external entity (XXE) vulnerability in the WebHMI server in Yokogawa Electric Corporation FAST/TOOLS before R9.05-SP2 allows local users to cause a denial of service (CPU or network traffic consumption) or read arbitrary files via unspecified vectors. Affected products include: Yokogawa Fast\/Tools.

Know when Fast Tools gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources
Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 3.2 LOW
AV:L/AC:L/Au:S/C:P/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Confidentiality
P
Integrity
None
Availability
P

DescriptionCVE.org

XML external entity (XXE) vulnerability in the WebHMI server in Yokogawa Electric Corporation FAST/TOOLS before R9.05-SP2 allows local users to cause a denial of service (CPU or network traffic consumption) or read arbitrary files via unspecified vectors.

Threat Intelligence Overview

EPSS Score
0.1%
Top 78% exploitable
Data Quality
3 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 LOW
CISA KEV No
Public POC No
EPSS 0.1%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Low

Priority Score

16
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +16
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity Injection HIGH

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:yokogawa:fast\/tools:r9.01:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:fast\/tools:r9.02:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:fast\/tools:r9.03:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:fast\/tools:r9.04:*:*:*:*:*:*:*
cpe:2.3:a:yokogawa:fast\/tools:r9.05:*:*:*:*:*:*:*

More in Fast Tools

View all
CVE-2025-66603 CRITICAL
9.8 Feb 09

Yokogawa FAST/TOOLS has a second web server vulnerability involving improper cryptographic handling that weakens the sec
CVE-2025-66602 CRITICAL
9.8 Feb 09

Yokogawa FAST/TOOLS SCADA has a vulnerability in its web server component enabling unauthorized access to the industrial
CVE-2025-66606 CRITICAL
9.6 Feb 09

Yokogawa FAST/TOOLS has a third vulnerability involving improper encoding of output that could enable injection attacks

CVE-2026-11833 HIGH
8.2 Jun 23

Information disclosure in Yokogawa FAST/TOOLS (R9.01-R10.04) and CI Server (R1.01-R1.04) allows unmodified network attac
CVE-2025-66608 HIGH
7.5 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly v
CVE-2025-66597 HIGH
7.5 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports weak crypt
CVE-2025-66598 HIGH
7.5 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product supports old SSL/TL
CVE-2025-66601 MEDIUM
6.1 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not specify MI
CVE-2025-66596 MEDIUM
6.1 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product does not properly v
CVE-2025-66595 MEDIUM
5.4 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. This product is vulnerable to Cr
CVE-2025-66605 MEDIUM
5.3 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Since there are input fields on

CVE-2025-66594 MEDIUM
5.3 Feb 09

A vulnerability has been found in FAST/TOOLS provided by Yokogawa Electric Corporation. Detailed messages are displayed

Same weakness CWE-20 – Improper Input Validation

View all
CVE-2021-44228 CRITICAL POC
10.0
CVE-2024-3400 CRITICAL POC
10.0
CVE-2022-47966 CRITICAL POC
9.8
CVE-2023-22515 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8
CVE-2017-9791 CRITICAL POC
9.8
CVE-2017-15944 CRITICAL POC
9.8
CVE-2019-0604 CRITICAL POC
9.8

Same technique Denial Of Service

View all
CVE-2015-5119 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2011-0611 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8
CVE-2012-0507 CRITICAL POC
9.8
CVE-2014-1761 HIGH POC
7.8
CVE-2015-5122 CRITICAL POC
9.8
CVE-2011-0609 HIGH POC
7.8

References

Advisories & patches
ADVISORY http://www.yokogawa.com/dcs/security/ysar/YSAR-14-0004E.pdf REF http://jvn.jp/en/jp/JVN54775800/index.html REF http://jvndb.jvn.jp/ja/contents/2014/JVNDB-2014-000141.html REF https://exchange.xforce.ibmcloud.com/vulnerabilities/99018

Search Externally

GitHub PoC Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy