UBUNTU-CVE-2020-9488

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2020-9488
Published: 27 Apr 2020, 16:15
Last modified:01 Jun 2026, 07:15

Vulnerability Summary

Overall Risk (default)
low
15/100
CVSS Score
3.7 LOW
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Apr 2020, 16:15
Published
Vulnerability first disclosed
01 Jun 2026, 07:15
Last Modified
Vulnerability information updated

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

CVSS Metrics

  • v3.1•LOW•Score: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Systems

  • ubuntu•apache-log4j2

    all | all | < 2.16.0-0.20.04.1

References (6)