5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
61.6%
Mutt before 1.14.4 and NeoMutt before 2020-06-19 have a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a “begin TLS” response, the client reads additional data (e.g., from a man-in-the-middle attacker) and evaluates it in a TLS context, aka “response injection.”
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | mutt | < 1.14.4-1 | mutt_1.14.4-1_all.deb |
Debian | 11 | all | mutt | < 1.14.4-1 | mutt_1.14.4-1_all.deb |
Debian | 10 | all | mutt | < 1.10.1-2.1+deb10u2 | mutt_1.10.1-2.1+deb10u2_all.deb |
Debian | 999 | all | mutt | < 1.14.4-1 | mutt_1.14.4-1_all.deb |
Debian | 13 | all | mutt | < 1.14.4-1 | mutt_1.14.4-1_all.deb |
Debian | 12 | all | neomutt | < 20200619+dfsg.1-1 | neomutt_20200619+dfsg.1-1_all.deb |
Debian | 11 | all | neomutt | < 20200619+dfsg.1-1 | neomutt_20200619+dfsg.1-1_all.deb |
Debian | 10 | all | neomutt | < 20180716+dfsg.1-1+deb10u1 | neomutt_20180716+dfsg.1-1+deb10u1_all.deb |
Debian | 999 | all | neomutt | < 20200619+dfsg.1-1 | neomutt_20200619+dfsg.1-1_all.deb |
Debian | 13 | all | neomutt | < 20200619+dfsg.1-1 | neomutt_20200619+dfsg.1-1_all.deb |
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
61.6%