CVE-2020-9488

Improper validation of certificate with host mismatch in Apache Log4j SMTP appender

Low · published April 27, 2020

CVSS v3.1
3.7
EPSS
8%
Percentile
94.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.08216 · 94.9th percentile
Published
2020-04-27T15:36Z
EPSS history
Timeline
  • 27 APR 15:36Z
    Improper validation of certificate with host mismatch in Apache Log4j SMTP appender
    cvelistv5