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CVE-2020-12674

Public on 2020-08-12
Modified on 2020-10-27
Description

A flaw was found in dovecot. An attacker can use the way dovecot handles RPA (Remote Passphrase Authentication) to crash the authentication process repeatedly preventing login. The highest threat from this vulnerability is to system availability.

Severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 dovecot 2020-10-26 17:59 ALAS-2020-1435
Amazon Linux 2 - Core dovecot 2020-09-15 17:18 ALAS2-2020-1489

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H