CVE-2021-33515

2021-06-2100:00:00

ubuntu.com

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

NETWORK

Access Complexity

MEDIUM

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

72.0%

JSON

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

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	dovecot	< 1:2.3.7.2-1ubuntu3.4	UNKNOWN
ubuntu	20.10	noarch	dovecot	< 1:2.3.11.3+dfsg1-2ubuntu0.2	UNKNOWN
ubuntu	21.04	noarch	dovecot	< 1:2.3.13+dfsg1-1ubuntu1.1	UNKNOWN
ubuntu	21.10	noarch	dovecot	< 2.3.13+dfsg1-1ubuntu2	UNKNOWN
ubuntu	22.04	noarch	dovecot	< 2.3.13+dfsg1-1ubuntu2	UNKNOWN