CVE-2020-9488

low

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

References

https://issues.apache.org/jira/browse/LOG4J2-2819

https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.zookeeper.apache.org%3E

https://security.netapp.com/advisory/ntap-20200504-0003/

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cnotifications.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.zookeeper.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.kafka.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.kafka.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E

https://www.oracle.com/security-alerts/cpujul2020.html

https://lists.apache.org/thread.html/[email protected]%3Ctorque-dev.db.apache.org%3E

https://www.oracle.com/security-alerts/cpuoct2020.html

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cgitbox.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ctorque-dev.db.apache.org%3E

https://www.oracle.com/security-alerts/cpujan2021.html

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ctorque-dev.db.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ctorque-dev.db.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.hive.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cdev.mina.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.flink.apache.org%3E

https://www.oracle.com/security-alerts/cpuApr2021.html

https://lists.apache.org/thread.html/[email protected]%3Cusers.kafka.apache.org%3E

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.debian.org/security/2021/dsa-5020

https://lists.debian.org/debian-lts-announce/2021/12/msg00017.html

https://www.oracle.com/security-alerts/cpuapr2022.html

Details

Source: MITRE

Published: 2020-04-27

Updated: 2022-05-12

Type: CWE-295

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Impact Score: 1.4

Exploitability Score: 2.2

Severity: LOW