CVE-2020-9488
apache-log4j2 - security update
3.7
LOW
CVSS 3.1
EPSS 0.04%
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
How to fix CVE-2020-9488
To remediate CVE-2020-9488, upgrade the affected package to a fixed version below.
- —upgrade to 2.13.3-1 or later
- —upgrade to 2.12.3-0+deb9u1 or later
- —upgrade to 2.13.2 or later
- —upgrade to 2.13.2 or later
Is CVE-2020-9488 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.13.3-1
- from 0, < 2.12.3-0+deb9u1
- >= 2.13.0, < 2.13.2
- >= 2.13.0, < 2.13.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |