medium
4.3
CWE
295
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2020-9488

First published: Sat Apr 25 2020(Updated: )

Apache Log4j is vulnerable to a man-in-the-middle attack, caused by improper certificate validation with host mismatch in the SMTP appender. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.

Credit: security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
debian/apache-log4j2
2.17.1-1~deb10u1
2.17.0-1~deb10u1
2.17.1-1~deb11u1
2.17.0-1~deb11u1
2.19.0-2
redhat/qpid-cpp<0:1.36.0-31.el6_10a
0:1.36.0-31.el6_10a
redhat/qpid-proton<0:0.32.0-1.el6_10
0:0.32.0-1.el6_10
redhat/qpid-cpp<0:1.36.0-31.el7a
0:1.36.0-31.el7a
redhat/qpid-proton<0:0.32.0-2.el7
0:0.32.0-2.el7
redhat/nodejs-rhea<0:1.0.24-1.el8
0:1.0.24-1.el8
redhat/qpid-proton<0:0.32.0-2.el8
0:0.32.0-2.el8
redhat/log4j<2.13.2
2.13.2
maven/org.apache.logging.log4j:log4j-core<2.3.2
2.3.2
maven/org.apache.logging.log4j:log4j-core>=2.4.0<2.12.3
2.12.3
maven/org.apache.logging.log4j:log4j<2.3.2
2.3.2
maven/org.apache.logging.log4j:log4j>=2.4.0<2.12.3
2.12.3
maven/org.apache.logging.log4j:log4j-core>=2.13.0<2.13.2
2.13.2
maven/org.apache.logging.log4j:log4j>=2.13.0<2.13.2
2.13.2
Apache Log4j>=2.0<2.3.2
Apache Log4j>=2.4<2.12.3
Apache Log4j>=2.13.0<2.13.2
Oracle Communications Application Session Controller=3.9m0p1
Oracle Communications Billing and Revenue Management=7.5.0.23.0
Oracle Communications Billing and Revenue Management=12.0.0.3.0
Oracle Communications Eagle Ftp Table Base Retrieval=4.5
Oracle Communications Offline Mediation Controller=12.0.0.3.0
Oracle Communications Services Gatekeeper=7.0
Oracle Communications Unified Inventory Management=7.3.0
Oracle Communications Unified Inventory Management=7.4.0
Oracle Data Integrator=12.2.1.3.0
Oracle Data Integrator=12.2.1.4.0
Oracle Enterprise Manager For Peoplesoft=13.4.1.1
Oracle Financial Services Analytical Applications Infrastructure>=8.0.6.0.0<=8.1.0.0.0
Oracle Financial Services Institutional Performance Analytics=8.0.6
Oracle Financial Services Institutional Performance Analytics=8.1.0
Oracle Financial Services Institutional Performance Analytics=8.7.0
Oracle Financial Services Market Risk Measurement and Management=8.0.6
Oracle Financial Services Market Risk Measurement and Management=8.0.8
Oracle Financial Services Market Risk Measurement and Management=8.1.0
Oracle Financial Services Price Creation and Discovery=8.0.6
Oracle Financial Services Price Creation and Discovery=8.0.7
Oracle Financial Services Retail Customer Analytics=8.0.6
Oracle FLEXCUBE Core Banking>=11.5.0<=11.7.0
Oracle FLEXCUBE Core Banking=5.2.0
Oracle FLEXCUBE Private Banking=12.0.0
Oracle FLEXCUBE Private Banking=12.1.0
Oracle Health Sciences Information Manager=3.0.1
Oracle Insurance Insbridge Rating And Underwriting>=5.0.0.0<=5.6.0.0
Oracle Insurance Insbridge Rating And Underwriting=5.6.1.0
Oracle Insurance Policy Administration J2EE=10.2.0.37
Oracle Insurance Policy Administration J2EE=10.2.4.12
Oracle Insurance Policy Administration J2EE=11.0.2.25
Oracle Insurance Policy Administration J2EE=11.1.0.15
Oracle Insurance Policy Administration J2EE=11.2.0.26
Oracle Insurance Rules Palette=10.2.0.37
Oracle Insurance Rules Palette=10.2.4.12
Oracle Insurance Rules Palette=11.0.2.25
Oracle Insurance Rules Palette=11.1.0.15
Oracle Insurance Rules Palette=11.2.0.26
Oracle Jd Edwards World Security=a9.4
Oracle Oracle Goldengate Application Adapters=19.1.0.0.0
Oracle PeopleSoft Enterprise PeopleTools=8.56
Oracle PeopleSoft Enterprise PeopleTools=8.57
Oracle PeopleSoft Enterprise PeopleTools=8.58
Oracle Policy Automation>=12.2.0<=12.2.20
Oracle Policy Automation Connector For Siebel=10.4.6
Oracle Policy Automation For Mobile Devices>=12.2.0<=12.2.20
Oracle Primavera Unifier=18.8
Oracle Primavera Unifier=19.12
Oracle Retail Advanced Inventory Planning=14.1
Oracle Retail Assortment Planning=15.0.3.0
Oracle Retail Assortment Planning=16.0.3.0
Oracle Retail Bulk Data Integration=15.0.3.0
Oracle Retail Bulk Data Integration=16.0.3.0
Oracle Retail Customer Management and Segmentation Foundation=16.0
Oracle Retail Customer Management and Segmentation Foundation=17.0
Oracle Retail Customer Management and Segmentation Foundation=18.0
Oracle Retail Customer Management and Segmentation Foundation=19.0
Oracle Retail Eftlink=15.0.2
Oracle Retail Eftlink=16.0.3
Oracle Retail Eftlink=17.0.2
Oracle Retail Eftlink=18.0.1
Oracle Retail Eftlink=19.0.1
Oracle Retail Insights Cloud Service Suite=19.0
Oracle Retail Integration Bus=14.1
Oracle Retail Integration Bus=15.0
Oracle Retail Integration Bus=16.0
Oracle Retail Order Broker Cloud Service=16.0
Oracle Retail Order Broker Cloud Service=18.0
Oracle Retail Order Broker Cloud Service=19.0
Oracle Retail Order Broker Cloud Service=19.1
Oracle Retail Order Broker Cloud Service=19.2
Oracle Retail Order Broker Cloud Service=19.3
Oracle Retail Predictive Application Server=14.1.3.0
Oracle Retail Predictive Application Server=15.0.3.0
Oracle Retail Predictive Application Server=16.0.3.0
Oracle Retail Xstore Point of Service=15.0.4
Oracle Retail Xstore Point of Service=16.0.6
Oracle Retail Xstore Point of Service=17.0.4
Oracle Retail Xstore Point of Service=18.0.3
Oracle Retail Xstore Point of Service=19.0.2
Oracle Siebel Apps - Marketing<=21.9
Oracle Siebel Ui Framework<=21.2
Oracle Spatial And Graph=12.2.0.1
Oracle Spatial And Graph=18c
Oracle Spatial And Graph=19c
Oracle Storagetek Acsls=8.5.1
Oracle Storagetek Tape Analytics Sw Tool=2.3.1
Oracle Utilities Framework>=4.3.0.1.0<=4.3.0.6.0
Oracle Utilities Framework=2.2.0.0.0
Oracle Utilities Framework=4.2.0.2.0
Oracle Utilities Framework=4.2.0.3.0
Oracle Utilities Framework=4.4.0.0.0
Oracle Utilities Framework=4.4.0.2.0
Oracle WebLogic Server=10.3.6.0.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Qos Reload4j<1.2.18.3
IBM QRadar SIEM<=7.5.0 GA
IBM QRadar SIEM<=7.4.3 GA - 7.4.3 FP4
IBM QRadar SIEM<=7.3.3 GA - 7.3.3 FP10

Remedy

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

Remedy

https://lists.apache.org/thread.html/r48efc7cb5aeb4e1f67aaa06fb4b5479a5635d12f07d0b93fc2d08809@%3Ccommits.zookeeper.apache.org%3E

Remedy

https://lists.apache.org/thread.html/rbc45eb0f53fd6242af3e666c2189464f848a851d408289840cecc6e3@%3Ccommits.zookeeper.apache.org%3E

Remedy

https://lists.apache.org/thread.html/rec34b1cccf907898e7cb36051ffac3ccf1ea89d0b261a2a3b3fb267f@%3Ccommits.zookeeper.apache.org%3E

Remedy

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

Remedy

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

Remedy

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

Remedy

Previous versions can set the system property mail.smtp.ssl.checkserveridentity to true to globally enable hostname verification for SMTPS connections.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2020-9488.

  • What is the severity of CVE-2020-9488?

    The severity of CVE-2020-9488 is high, with a severity value of 3.7.

  • Which software is affected by CVE-2020-9488?

    The Apache Log4j SMTP appender versions 2.12.3 and 2.13.1 are affected by CVE-2020-9488.

  • How can CVE-2020-9488 be exploited?

    CVE-2020-9488 can be exploited through a man-in-the-middle attack intercepting SMTPS connections and leaking log messages sent through the appender.

  • How do I fix CVE-2020-9488?

    To fix CVE-2020-9488, upgrade to Apache Log4j version 2.13.2.

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