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ubuntucveUbuntu.comUB:CVE-2021-33515
HistoryJun 21, 2021 - 12:00 a.m.

CVE-2021-33515

2021-06-2100:00:00
ubuntu.com
ubuntu.com
35

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

5.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.004 Low

EPSS

Percentile

72.3%

The submission service in Dovecot before 2.3.15 allows STARTTLS command
injection in lib-smtp. Sensitive information can be redirected to an
attacker-controlled address.

Notes

Author Note
mdeslaur per upstream, this affects 2.3.0-2.3.14
OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchdovecot< 1:2.3.7.2-1ubuntu3.4UNKNOWN
ubuntu20.10noarchdovecot< 1:2.3.11.3+dfsg1-2ubuntu0.2UNKNOWN
ubuntu21.04noarchdovecot< 1:2.3.13+dfsg1-1ubuntu1.1UNKNOWN
ubuntu21.10noarchdovecot< 2.3.13+dfsg1-1ubuntu2UNKNOWN
ubuntu22.04noarchdovecot< 2.3.13+dfsg1-1ubuntu2UNKNOWN

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

5.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.004 Low

EPSS

Percentile

72.3%