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CVE-2021-45046

Fixed in a distro release ExploitedEPSS 100%CVSS 9.0

It was found that the fix to address CVE-2021-44228 in Apache Log4j 2.15.0 was incomplete in certain non-default configurations. This could allows attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-default Pattern Layout with either a Context Lookup (for example, $${ctx:loginId}) or a Thread Context Map pattern (%X, %mdc, or %MDC) to craft malicious input data using a JNDI Lookup pattern resulting in an information leak and remote code execution in some environments and local code execution in all environments. Log4j 2.16.0 (Java 8) and 2.12.2 (Java 7) fix this issue by removing support for message lookup patterns and disabling JNDI functionality by default.

Published 2021-12-14 · In CISA KEV since 2023-05-01 · CVE record · OSV

Products: Apache Software Foundation Apache Log4j

Fixed upstream

EcosystemPackageFixed in
Mavenorg.apache.logging.log4j:log4j-core2.16.0
Mavenorg.apache.logging.log4j:log4j-core2.12.2
Mavenorg.apache.logging.log4j:log4j-core2.3.1
Mavenorg.ops4j.pax.logging:pax-logging-log4j21.9.2
Mavenorg.ops4j.pax.logging:pax-logging-log4j21.10.8
Mavenorg.ops4j.pax.logging:pax-logging-log4j21.11.11
Mavenorg.ops4j.pax.logging:pax-logging-log4j22.0.12

Distro releases

ReleasePackageFixed in
Debian:10apache-log4j22.16.0-1~deb10u1
Debian:11apache-log4j22.16.0-1~deb11u1
Debian:12apache-log4j22.16.0-1
Debian:13apache-log4j22.16.0-1
Debian:14apache-log4j22.16.0-1
Red Hat:jboss_enterprise_application_platform:7.4eap7-log4j0:2.17.1-1.redhat_00001.1.el8eap
Red Hat:jboss_enterprise_application_platform:7.4eap7-log4j0:2.17.1-1.redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-apache-cxf0:3.1.16-4.redhat_00003.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-apache-cxf-rt0:3.1.16-4.redhat_00003.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-apache-cxf-services0:3.1.16-4.redhat_00003.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-apache-cxf-tools0:3.1.16-4.redhat_00003.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-jackson-databind0:2.8.11.6-2.SP1_redhat_00002.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-jettison0:1.3.8-2.redhat_00002.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-netty0:4.1.63-1.Final_redhat_00002.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-netty-all0:4.1.63-1.Final_redhat_00002.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-atom-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-cdi0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-client0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-crypto0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jackson-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jackson2-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jaxb-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jaxrs0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jettison-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jose-jwt0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-jsapi0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-json-p-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-multipart-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-spring0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-validator-provider-110:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-resteasy-yaml-provider0:3.0.27-1.Final_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-snakeyaml0:1.33.0-1.SP1_redhat_00001.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-velocity0:1.7.0-3.redhat_00006.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-wildfly0:7.1.9-2.GA_redhat_00002.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.1eap7-wildfly-modules0:7.1.9-2.GA_redhat_00002.1.ep7.el7
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-hal-console0:3.2.17-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-annotations0:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-core0:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-databind0:2.10.4-4.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-datatype-jdk80:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-datatype-jsr3100:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-jaxrs-base0:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-jaxrs-json-provider0:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-jaxrs-providers0:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-module-jaxb-annotations0:2.10.4-4.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-modules-base0:2.10.4-4.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jackson-modules-java80:2.10.4-2.redhat_00004.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-jettison0:1.5.2-2.redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-netty0:4.1.63-4.Final_redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-netty-all0:4.1.63-4.Final_redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-atom-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-cdi0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-client0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-client-microprofile0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-crypto0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jackson-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jackson2-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jaxb-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jaxrs0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jettison-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jose-jwt0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-jsapi0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-json-binding-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-json-p-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-multipart-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-rxjava20:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-spring0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-validator-provider-110:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-resteasy-yaml-provider0:3.11.6-1.Final_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-snakeyaml0:1.33.0-1.SP1_redhat_00001.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-wildfly0:7.3.12-3.GA_redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-wildfly-java-jdk110:7.3.12-3.GA_redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-wildfly-java-jdk80:7.3.12-3.GA_redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-wildfly-javadocs0:7.3.12-3.GA_redhat_00002.1.el7eap
Red Hat:jboss_enterprise_application_platform_eus:7.3eap7-wildfly-modules0:7.3.12-3.GA_redhat_00002.1.el7eap
Ubuntu:20.04:LTSapache-log4j22.16.0-0.20.04.1
openSUSE:Leap 15.2disruptor3.4.4-lp152.2.3.1
openSUSE:Leap 15.2jakarta-servlet5.0.0-lp152.2.1
openSUSE:Leap 15.2log4j2.16.0-lp152.3.9.1
openSUSE:Leap 15.3disruptor3.4.4-3.3.1
openSUSE:Leap 15.3jakarta-servlet5.0.0-5.3.1
openSUSE:Leap 15.3log4j2.13.0-4.6.1
openSUSE:Leap 15.3log4j2.16.0-4.10.1
openSUSE:Tumbleweedlog4j2.16.0-2.1