IM
IronMonkey Threat Research

CVE-2019-6821 MEDIUM

Published: 2019-05-22 | Last Modified: 2026-06-17 | Status: Modified

Description

CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum.

Additional Descriptions (1)

Una CWE-330: Una vulnerabilidad de Uso Insuficientes de valores aleatorios, podría generar el secuestro de la conexión TCP cuando se utiliza el protocolo de comunicación Ethernet en Modicon M580 versiones de firmware anteriores a V2.30, y todas las versiones de firmware de Modicon M340, Modicon Premium, Modicon Quantum.

CVSS Metrics

Base Score: 6.5 (MEDIUM)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 2.5

Base Score: 6.4 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactNONE

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 4.9

Weaknesses

Source Type Description
[email protected] Secondary
en CWE-330
[email protected] Primary
en CWE-330

Affected Products

Vendor Product Version Update Type
schneider-electric modicon_m580_firmware * <built-in method update of dict object at 0x7e60bac6d700> Operating System
schneider-electric modicon_m340_firmware * <built-in method update of dict object at 0x7e60bac6f780> Operating System
schneider-electric modicon_quantum_firmware * <built-in method update of dict object at 0x7e60bac6d500> Operating System
schneider-electric modicon_premium_firmware * <built-in method update of dict object at 0x7e60bac6f9c0> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*

Operator: OR

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

Operator: OR

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

Operator: OR

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

Operator: OR

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

References

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