CVE Tools
Sign in

CVE-2018-7831

Published: Nov 30, 2018Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-79
8.8HIGH
NVD MITRE
EPSS Score
0.6%
Top 54.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-79CWE-352

Affected Products

Schneider Electric
commercial·FRaka schneider-electric
Modicon M340
ICS / OT / IoT
Modicon Premium
ICS / OT / IoT
Modicon Quantum
ICS / OT / IoT
Modicon BMXNOR0200
ICS / OT / IoT
schneider-electric
commercial·FRaka schneider electric se
modicom m340 firmware
ICS / OT / IoT
modicom premium firmware
ICS / OT / IoT
modicom quantum firmware
ICS / OT / IoT
modicom bmxnor0200h firmware
ICS / OT / IoT
Schneider Electric SE
commercial·FRaka pelco sarix professional, u.motion, modicon m340, premium quantum plcs, bmxnor0200
Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200Embedded
ICS / OT / IoT / plc-scada-hmi

Exploitability

Official Patch Available
Is your org exposed to CVE-2018-7831?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.tenable.com/security/research/tra-2018-38
tenable.com
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/
schneider-electric.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2018-7831 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows