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CVE-2026-33603

Опубликовано: 12 мая 2026
Источник: nvd
CVSS3: 6.8
CVSS3: 5.3
EPSS Низкий

Описание

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and client as MITM proxy. Install fixed version. No publicly available exploits are known.

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
Версия до 2.4.4 (исключая)
cpe:2.3:a:open-xchange:dovecot:*:*:*:*:pro:*:*:*
Версия до 3.1.5 (исключая)

EPSS

Процентиль: 13%
0.00222
Низкий

6.8 Medium

CVSS3

5.3 Medium

CVSS3

Дефекты

CWE-99

Связанные уязвимости

CVSS3: 6.8
ubuntu
3 месяца назад

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and client as MITM proxy. Install fixed version. No publicly available exploits are known.

CVSS3: 6.8
redhat
3 месяца назад

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and client as MITM proxy. Install fixed version. No publicly available exploits are known.

CVSS3: 6.8
debian
3 месяца назад

Attacker can use a specially crafted base64 exchange between Dovecot a ...

CVSS3: 6.8
github
3 месяца назад

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and client as MITM proxy. Install fixed version. No publicly available exploits are known.

CVSS3: 5.3
fstec
3 месяца назад

Уязвимость почтовых серверов Dovecot и OX Dovecot Pro, связанная с неправильным контролем идентификаторов ресурсов («внедрение ресурсов»), позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 13%
0.00222
Низкий

6.8 Medium

CVSS3

5.3 Medium

CVSS3

Дефекты

CWE-99