Modicon M340 Bmxp342020 Firmware
CVE-2014-0754
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK
2 techniques across 2 tactics: Discovery, Collection The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 18.90%. |
| Exploit ScenarioDerived | A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Directory traversal vulnerability in SchneiderWEB on Schneider Electric Modicon PLC Ethernet modules 140CPU65x Exec before 5.5, 140NOC78x Exec before 1.62, 140NOE77x Exec before 6.2, BMXNOC0401. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 18.9%.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Directory traversal vulnerability in SchneiderWEB on Schneider Electric Modicon PLC Ethernet modules 140CPU65x Exec before 5.5, 140NOC78x Exec before 1.62, 140NOE77x Exec before 6.2, BMXNOC0401 before 2.05, BMXNOE0100 before 2.9, BMXNOE0110x Exec before 6.0, TSXETC101 Exec before 2.04, TSXETY4103x Exec before 5.7, TSXETY5103x Exec before 5.9, TSXP57x ETYPort Exec before 5.7, and TSXP57x Ethernet Copro Exec before 5.5 allows remote attackers to visit arbitrary resources via a crafted HTTP request. Affected products include: Schneider-Electric Stbnic2212 Firmware, Schneider-Electric Stbnip2212 Firmware, Schneider-Electric Tsxetc0101 Firmware, Schneider-Electric Tsxetc100 Firmware, Schneider-Electric Tsxp573623Mc Firmware. Version information: before 5.5.
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Severity by source
AV:N/AC:L/Au:N/C:C/I:C/A:C
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Directory traversal vulnerability in SchneiderWEB on Schneider Electric Modicon PLC Ethernet modules 140CPU65x Exec before 5.5, 140NOC78x Exec before 1.62, 140NOE77x Exec before 6.2, BMXNOC0401 before 2.05, BMXNOE0100 before 2.9, BMXNOE0110x Exec before 6.0, TSXETC101 Exec before 2.04, TSXETY4103x Exec before 5.7, TSXETY5103x Exec before 5.9, TSXP57x ETYPort Exec before 5.7, and TSXP57x Ethernet Copro Exec before 5.5 allows remote attackers to visit arbitrary resources via a crafted HTTP request.
Threat Intelligence Overview
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.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.
Affected Products (CPE)CVE.org
A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized ac
A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy O
A vulnerability exists in the HTTP request parser in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum
An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC,
Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200
Hard coded accounts exist in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 control
Authentication Bypass by Spoofing vulnerability exists in EcoStruxure Control Expert (all versions prior to V15.0 SP1, i
A CWE-352: Cross-Site Request Forgery (CSRF) vulnerability exists on the web server used, that could cause a leak of sen
A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BM
A CWE-787: Out-of-bounds Write vulnerability exists that could cause denial of service when an attacker sends a speciall
A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device when an attack
A CWE-200: Information Exposure vulnerability exists that could cause sensitive information of files located in the web
GitHub PoC
Exploit-DB