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

Cvss 3 Severity Score

3.7

Score breakdown

Status

Package	Release	Status
apache-log4j2 Launchpad, Ubuntu, Debian	bionic	Needs triage
	eoan	Ignored (end of life)
	focal	Released (2.16.0-0.20.04.1)
	groovy	Ignored (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)
	lunar	Not vulnerable (2.13.3-1)
	mantic	Not vulnerable (2.13.3-1)
	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

References

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