MEDIUM · 4.8

CVE-2021-33515

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.

Vulnerability Description

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.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
DovecotDovecot< 2.3.14.1
FedoraprojectFedora33
DebianDebian Linux10.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-33515?

CVE-2021-33515 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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.

How severe is CVE-2021-33515?

CVE-2021-33515 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-33515?

Check the references section above for vendor advisories and patch information. Affected products include: Dovecot Dovecot, Fedoraproject Fedora, Debian Debian Linux.