CVE-2020-9488

Public on 2020-04-27

Modified on 2023-04-25

Description

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

Severity

Low

See what this means

CVSS v3 Base Score

3.7

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 1	log4j	Not Affected
Amazon Linux 2 - Core	log4j	Not Affected
Amazon Linux 2023	log4j	Not Affected

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	CVSSv2	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N
NVD	CVSSv3	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2020-9488 Mitre: CVE-2020-9488