7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.007 Low
EPSS
Percentile
80.0%
In Dovecot before 2.3.11.3, sending a specially formatted NTLM request will crash the auth service because of an out-of-bounds read.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | dovecot | < 1:2.3.11.3+dfsg1-1 | dovecot_1:2.3.11.3+dfsg1-1_all.deb |
Debian | 11 | all | dovecot | < 1:2.3.11.3+dfsg1-1 | dovecot_1:2.3.11.3+dfsg1-1_all.deb |
Debian | 10 | all | dovecot | < 1:2.3.4.1-5+deb10u3 | dovecot_1:2.3.4.1-5+deb10u3_all.deb |
Debian | 999 | all | dovecot | < 1:2.3.11.3+dfsg1-1 | dovecot_1:2.3.11.3+dfsg1-1_all.deb |
Debian | 13 | all | dovecot | < 1:2.3.11.3+dfsg1-1 | dovecot_1:2.3.11.3+dfsg1-1_all.deb |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.007 Low
EPSS
Percentile
80.0%