Name: CVE-2020-10967: Improper Input Validation
Creator: Rapid7
Published: 2020-05-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-10967, CWE-20, CVSS 5.3, EPSS 0.08153

In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade dovecot-develUpgrade dovecot	May 4, 2022	May 18, 2020
Alpine Linux	—	Upgrade dovecot	Jun 16, 2020	May 18, 2020
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	May 18, 2020
Centos_linux	—	Upgrade dovecot-pgsql-debuginfoUpgrade dovecot-pigeonholeUpgrade dovecot-pigeonhole-debuginfoUpgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-debuginfoUpgrade dovecot-mysql-debuginfoUpgrade dovecot-pgsqlUpgrade dovecot-debugsource	Nov 5, 2020	May 18, 2020
Debian	—	Upgrade dovecot	May 22, 2020	May 18, 2020
Freebsd	—	Upgrade dovecot	Aug 13, 2020	Aug 13, 2020
Huawei Euleros 2_0_sp8	—	Upgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-pigeonhole	Aug 31, 2020	May 18, 2020
Oracle_linux	—	Upgrade dovecot-pigeonholeUpgrade dovecot-mysqlUpgrade dovecotUpgrade dovecot-develUpgrade dovecot-pgsql	Nov 12, 2020	May 18, 2020
Redhat_linux	—	Upgrade dovecot-debugsourceUpgrade dovecot-pgsql-debuginfoUpgrade dovecot-pgsqlUpgrade dovecot-develUpgrade dovecot-debuginfoUpgrade dovecot-mysqlUpgrade dovecot-mysql-debuginfoUpgrade dovecot-pigeonholeUpgrade dovecotUpgrade dovecot-pigeonhole-debuginfo	Nov 5, 2020	May 18, 2020
Suse	—	Upgrade dovecot23-backend-sqliteUpgrade dovecot23-fts-squatUpgrade dovecot23Upgrade dovecot23-fts-solrUpgrade dovecot23-backend-pgsqlUpgrade dovecot23-fts-luceneUpgrade dovecot23-ftsUpgrade dovecot23-backend-mysqlUpgrade dovecot23-devel	May 23, 2020	May 18, 2020
Ubuntu	—	Upgrade dovecot-core	May 19, 2020	May 18, 2020

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence