vulnerability
Debian: CVE-2020-9488: apache-log4j2 -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Apr 27, 2020 | Dec 28, 2021 | Aug 15, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Apr 27, 2020
Added
Dec 28, 2021
Modified
Aug 15, 2025
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
Solution
debian-upgrade-apache-log4j2
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