CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
77.0%
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.
Author | Note |
---|---|
mdeslaur | per upstream, this affects 2.3.0-2.3.14 |
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 |
dovecot.org/pipermail/dovecot-news/2021-June/000457.html
dovecot.org/pipermail/dovecot-news/2021-June/000459.html
launchpad.net/bugs/cve/CVE-2021-33515
nvd.nist.gov/vuln/detail/CVE-2021-33515
security-tracker.debian.org/tracker/CVE-2021-33515
ubuntu.com/security/notices/USN-4993-1
www.cve.org/CVERecord?id=CVE-2021-33515
CVSS2
Attack Vector
NETWORK
Attack 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
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
EPSS
Percentile
77.0%