IM
IronMonkey Threat Research

CVE-2019-6811 HIGH

Published: 2019-09-17 | Last Modified: 2026-06-17 | Status: Modified

Description

An Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability exists in Modicon Quantum 140 NOE771x1 version 6.9 and earlier, which could cause denial of service when the module receives an IP fragmented packet with a length greater than 65535 bytes. The module then requires a power cycle to recover.

Additional Descriptions (1)

Existe una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales (CWE-754) en Modicon Quantum 140 NOE771x1 versión 6.9 y anteriores, lo que podría causar una denegación de servicio cuando el módulo recibe un paquete fragmentado IP con una longitud superior a 65535 bytes. El módulo luego requiere un ciclo de energía para recuperarse.

CVSS Metrics

Base Score: 7.5 (HIGH)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-754
[email protected] Primary
en CWE-754

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_quantum_140noe77101_firmware * <built-in method update of dict object at 0x7e6112303f40> Operating System
schneider-electric modicon_quantum_140noe77111_firmware * <built-in method update of dict object at 0x7e6112303ac0> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_quantum_140noe77101_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_quantum_140noe77101:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_quantum_140noe77111_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_quantum_140noe77111:-:*:*:*:*:*:*:*
Notification
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