Medium severity · published Jun 28, 2021
CVE-2021-33515
The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp
4.8
CVSS
2.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
DO
Dovecot · Dovecot
before 2.3.14.1 · source: NVD
FE
Fedora · Fedoraproject
33; 34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33515
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33515
Vendor Advisory
https://dovecot.org/security
Mailing List
https://lists.debian.org/debian-lts-announce/2022/09/msg00032.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
Third Party Advisory
https://security.gentoo.org/glsa/202107-41
Mailing List
https://www.openwall.com/lists/oss-security/2021/06/28/2
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