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Vulnerability · Published Jan 4, 2021 · Assigned by mitre

CVE-2020-25275

High 7.5

In plain English

A high-severity security flaw in the dovecot package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.7% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.7%top 8.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8dovecot1:2.3.8-9.el8ALSA-2021:1887
AlmaLinux:8dovecot-devel1:2.3.8-9.el8ALSA-2021:1887
AlmaLinux:8dovecot-mysql1:2.3.8-9.el8ALSA-2021:1887
AlmaLinux:8dovecot-pgsql1:2.3.8-9.el8ALSA-2021:1887
AlmaLinux:8dovecot-pigeonhole1:2.3.8-9.el8ALSA-2021:1887
Alpine:v3.20dovecot2.3.13-r0ALPINE-CVE-2020-25275
Alpine:v3.21dovecot2.3.13-r0ALPINE-CVE-2020-25275
Alpine:v3.22dovecot2.3.13-r0ALPINE-CVE-2020-25275
Alpine:v3.23dovecot2.3.13-r0ALPINE-CVE-2020-25275
Alpine:v3.24dovecot2.3.13-r0ALPINE-CVE-2020-25275
Debian:12dovecot1:2.3.13+dfsg1-1DEBIAN-CVE-2020-25275
Debian:13dovecot1:2.3.13+dfsg1-1DEBIAN-CVE-2020-25275
Debian:14dovecot1:2.3.13+dfsg1-1DEBIAN-CVE-2020-25275

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References