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CVE-2025-40820

Опубликовано: 09 дек. 2025
Источник: nvd
CVSS3: 7.5
EPSS Низкий

Описание

Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to interfere with connection setup, potentially leading to a denial of service. The attack succeeds only if an attacker can inject IP packets with spoofed addresses at precisely timed moments, and it affects only TCP-based services.

EPSS

Процентиль: 26%
0.00089
Низкий

7.5 High

CVSS3

Дефекты

CWE-940

Связанные уязвимости

CVSS3: 7.5
github
около 2 месяцев назад

Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to interfere with connection setup, potentially leading to a denial of service. The attack succeeds only if an attacker can inject IP packets with spoofed addresses at precisely timed moments, and it affects only TCP-based services.

CVSS3: 7.5
fstec
2 месяца назад

Уязвимость микропрограммного обеспечения программируемых логических контроллеров Siemens SIMATIC S7, связанная с недостаточной проверкой источника канала связи, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 26%
0.00089
Низкий

7.5 High

CVSS3

Дефекты

CWE-940