CVE & CISA-KEV CatalogNVD
CVE-2021-45046
CRITICALCISA KEVEPSS 100th pctl9.0
CVSS v3
Description
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.
How to fix
Remediation Available
apache-log4j2Debian
Fixed in:2.16.0-1~deb11u1CVE-2021-45046
Fixed in:2.16.0-1CVE-2021-45046
Fixed in:2.16.0-1CVE-2021-45046
Fixed in:2.16.0-1CVE-2021-45046
eap7-apache-cxfRocky
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxfRed Hat / RHEL
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxf-rtRed Hat / RHEL
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxf-rtRocky
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxf-servicesRocky
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxf-servicesRed Hat / RHEL
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxf-toolsRed Hat / RHEL
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-apache-cxf-toolsRocky
Fixed in:0:3.1.16-4.redhat_00003.1.ep7.el7RHSA-2025:1746
eap7-hal-consoleRed Hat / RHEL
Fixed in:0:3.2.17-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.2.17-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-hal-consoleRocky
Fixed in:0:3.2.17-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.2.17-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-jackson-annotationsRed Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-annotationsRocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-coreRed Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-coreRocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-databindRed Hat / RHEL
Fixed in:0:2.8.11.6-2.SP1_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:2.8.11.6-2.SP1_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-databindRocky
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.8.11.6-2.SP1_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:2.8.11.6-2.SP1_redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-jackson-datatype-jdk8Red Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-datatype-jdk8Rocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-datatype-jsr310Rocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-datatype-jsr310Red Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-jaxrs-baseRocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-jaxrs-baseRed Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-jaxrs-json-providerRed Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-jaxrs-json-providerRocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-jaxrs-providersRed Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-jaxrs-providersRocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-module-jaxb-annotationsRed Hat / RHEL
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-module-jaxb-annotationsRocky
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-modules-baseRed Hat / RHEL
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-modules-baseRocky
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-modules-java8Red Hat / RHEL
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-modules-java8Rocky
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.10.4-2.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jettisonRocky
Fixed in:0:1.5.2-2.redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:1.3.8-2.redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.5.2-2.redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:1.3.8-2.redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-jettisonRed Hat / RHEL
Fixed in:0:1.5.2-2.redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:1.3.8-2.redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.5.2-2.redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:1.3.8-2.redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-nettyRed Hat / RHEL
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-nettyRocky
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-netty-allRed Hat / RHEL
Fixed in:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
eap7-netty-allRocky
Fixed in:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
eap7-resteasyRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasyRocky
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-atom-providerRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-atom-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-cdiRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-cdiRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-clientRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-clientRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-client-microprofileRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-client-microprofileRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-cryptoRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-cryptoRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jackson-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-jackson-providerRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jackson2-providerRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jackson2-providerRocky
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jaxb-providerRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jaxb-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-jaxrsRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-jaxrsRocky
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jettison-providerRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-jettison-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-jose-jwtRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-jose-jwtRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jsapiRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jsapiRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-json-binding-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-json-binding-providerRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-json-p-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-json-p-providerRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-multipart-providerRocky
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-multipart-providerRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-rxjava2Rocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-rxjava2Red Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-springRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-springRocky
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-validator-provider-11Red Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-validator-provider-11Rocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasy-yaml-providerRocky
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-yaml-providerRed Hat / RHEL
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-snakeyamlRocky
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-snakeyamlRed Hat / RHEL
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:1.33.0-1.SP1_redhat_00001.1.el7eapRHSA-2025:1747
eap7-velocityRed Hat / RHEL
Fixed in:0:1.7.0-3.redhat_00006.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.7.0-3.redhat_00006.1.ep7.el7RHSA-2025:1746
eap7-velocityRocky
Fixed in:0:1.7.0-3.redhat_00006.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.7.0-3.redhat_00006.1.ep7.el7RHSA-2025:1746
eap7-wildflyRocky
Fixed in:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-wildflyRed Hat / RHEL
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-wildfly-java-jdk11Rocky
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
eap7-wildfly-java-jdk11Red Hat / RHEL
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
eap7-wildfly-java-jdk8Rocky
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
eap7-wildfly-java-jdk8Red Hat / RHEL
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
eap7-wildfly-javadocsRocky
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
eap7-wildfly-javadocsRed Hat / RHEL
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
eap7-wildfly-modulesRocky
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
eap7-wildfly-modulesRed Hat / RHEL
Fixed in:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
apache-log4j2Ubuntu
Fixed in:2.16.0-0.20.04.1USN-5197-1
liblog4j2-javaUbuntu
Fixed in:2.16.0-0.20.04.1USN-5197-1
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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploit Intelligence
99.98%probability of exploitation in 30 days
100thpercentile
Very high risk: more likely to be exploited than 100% of all known CVEs.
Known Exploited Vulnerability (CISA KEV)
Apache Log4j2 Deserialization of Untrusted Data Vulnerability
Apache Log4j2 contains a deserialization of untrusted data vulnerability due to the incomplete fix of CVE-2021-44228, where the Thread Context Lookup Pattern is vulnerable to remote code execution in certain non-default configurations.
Apply updates per vendor instructions.
Remediation due: 2023-05-22
Associated with ransomware campaigns
References
Patch1
Vendor Advisory1
Mitigation1
Third-Party Advisory15
Government Resource1
Mailing List2
Other references1
Related Vulnerabilities
Other CWE-917 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-26134 | Critical | 9.8 | 100% | KEV + Ransom | Fix |
| CVE-2021-44228 | Critical | 10.0 | 100% | KEV + Ransom | Fix |
| CVE-2021-26084 | Critical | 9.8 | 100% | KEV + Ransom | Fix |
| CVE-2022-22963 | Critical | 9.8 | 100% | KEV | - |
| CVE-2020-10199 | High | 8.8 | 99% | KEV | Fix |
| CVE-2022-22947 | Critical | 10.0 | 98% | KEV | Fix |
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-27.