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CVE-2020-9488

Published: 27 April 2020

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1

Priority

Medium

Cvss 3 Severity Score

3.7

Score breakdown

Status

Package Release Status
apache-log4j2
Launchpad, Ubuntu, Debian
bionic Needs triage

eoan Ignored
(reached end-of-life)
focal
Released (2.16.0-0.20.04.1)
groovy Ignored
(reached end-of-life)
hirsute Not vulnerable
(2.13.3-1)
impish Not vulnerable
(2.13.3-1)
jammy Not vulnerable
(2.13.3-1)
kinetic Not vulnerable
(2.13.3-1)
precise Does not exist

trusty Does not exist

upstream
Released (2.13.2)
xenial Ignored
(end of standard support, was needs-triage)

Severity score breakdown

Parameter Value
Base score 3.7
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N