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Vulnerability · Published Aug 12, 2020 · Assigned by mitre

CVE-2020-12674

High 7.5

In plain English

A high-severity security flaw in the dovecot package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.2% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)6.2%top 6.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In Dovecot before 2.3.11.3, sending a specially formatted RPA request will crash the auth service because a length of zero is mishandled.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20dovecot2.3.11.3-r0ALPINE-CVE-2020-12674
Alpine:v3.21dovecot2.3.11.3-r0ALPINE-CVE-2020-12674
Alpine:v3.22dovecot2.3.11.3-r0ALPINE-CVE-2020-12674
Alpine:v3.23dovecot2.3.11.3-r0ALPINE-CVE-2020-12674
Alpine:v3.24dovecot2.3.11.3-r0ALPINE-CVE-2020-12674
Debian:12dovecot1:2.3.11.3+dfsg1-1DEBIAN-CVE-2020-12674
Debian:13dovecot1:2.3.11.3+dfsg1-1DEBIAN-CVE-2020-12674
Debian:14dovecot1:2.3.11.3+dfsg1-1DEBIAN-CVE-2020-12674

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References