DEBIAN-CVE-2020-9488
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 27 Apr 2020, 16:15
Last modified:28 Apr 2026, 20:21
Vulnerability Summary
Overall Risk (default)
low
15/100 CVSS Score
3.7 LOW
3.1 (osv_debian)
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
28 Apr 2026, 20:21
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
- debian•apache-log4j2
< 2.13.3-1 | < 2.13.3-1 | < 2.13.3-1 | < 2.13.3-1