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CVE-2019-18928

Published: 15 November 2019

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
cyrus-imapd
Launchpad, Ubuntu, Debian
bionic Needed

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal
Released (3.0.12-1)
groovy
Released (3.0.12-1)
hirsute
Released (3.0.12-1)
impish
Released (3.0.12-1)
jammy
Released (3.0.12-1)
kinetic
Released (3.0.12-1)
lunar
Released (3.0.12-1)
mantic
Released (3.0.12-1)
trusty Does not exist

upstream
Released (3.0.12-1)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H