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CVE-2026-93394

Опубликовано: 17 сент. 2026
Источник: nvd
CVSS3: 3.7
EPSS Низкий

Описание

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by injecting a crafted server-first-message containing a controlled salt and low iteration count, then capturing the resulting client proof to perform offline password cracking. This vulnerability is mitigated by TLS, which is standard in production deployments.

Ссылки

Уязвимые конфигурации

Конфигурация 1
cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:mongodb:*:*
Версия от 2.0.0 (включая) до 2.3.2 (исключая)

EPSS

Процентиль: 25%
0.00321
Низкий

3.7 Low

CVSS3

Дефекты

CWE-303

Связанные уязвимости

CVSS3: 3.7
ubuntu
около 2 месяцев назад

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by injecting a crafted server-first-message containing a controlled salt and low iteration count, then capturing the resulting client proof to perform offline password cracking. This vulnerability is mitigated by TLS, which is standard in production deployments.

CVSS3: 5.9
redhat
около 2 месяцев назад

A flaw in libmongoc's SCRAM authentication implementation caused the client to continue the authentication handshake and transmit the client proof even when a nonce mismatch was detected in the server's first message. An unauthorized party with a man-in-the-middle position could exploit this by injecting a crafted server-first-message containing a controlled salt and low iteration count, then capturing the resulting client proof to perform offline password cracking. This vulnerability is mitigated by TLS, which is standard in production deployments.

CVSS3: 3.7
debian
около 2 месяцев назад

A flaw in libmongoc's SCRAM authentication implementation caused the c ...

CVSS3: 3.7
redos
4 дня назад

Множественные уязвимости mongo-c-driver

CVSS3: 3.7
redos
4 дня назад

Множественные уязвимости mongo-c-driver

EPSS

Процентиль: 25%
0.00321
Низкий

3.7 Low

CVSS3

Дефекты

CWE-303