CVE & CISA-KEV Catalog

CVE-2021-44228

CRITICALCISA KEVEPSS 100th pctl
10.0
CVSS v3
NVD

Description

Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.

How to fix

Remediation Available
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-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-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-toolsRocky
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-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-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-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-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:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
Fixed in:0:2.8.11.6-2.SP1_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:2.10.4-4.redhat_00004.1.el7eapRHSA-2025:1747
eap7-jackson-databindRocky
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-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-baseRed 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-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-providersRocky
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-module-jaxb-annotationsRocky
Fixed in:0:2.10.4-4.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-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-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-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:0:1.5.2-2.redhat_00002.1.el7eapRHSA-2025:1747
Fixed in:0:1.3.8-2.redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.3.8-2.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:0:1.3.8-2.redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:1.5.2-2.redhat_00002.1.el7eapRHSA-2025:1747
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:0:4.1.63-1.Final_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:4.1.63-4.Final_redhat_00002.1.el7eapRHSA-2025:1747
eap7-nettyRed 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
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-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-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-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:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
Fixed in:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
eap7-resteasyRed 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
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-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-cdiRocky
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-microprofileRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-client-microprofileRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
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-cryptoRocky
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-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-jackson-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-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-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-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-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-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:0:3.11.6-1.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-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-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:0:3.0.27-1.Final_redhat_00001.1.ep7.el7RHSA-2025:1746
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-jose-jwtRed 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-jsapiRed 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-jsapiRocky
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-json-binding-providerRed Hat / RHEL
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-json-binding-providerRocky
Fixed in:0:3.11.6-1.Final_redhat_00001.1.el7eapRHSA-2025:1747
eap7-resteasy-json-p-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-json-p-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-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-springRocky
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-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-validator-provider-11Red 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-validator-provider-11Rocky
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-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-yaml-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-snakeyamlRocky
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-snakeyamlRed Hat / RHEL
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-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:0:7.1.9-2.GA_redhat_00002.1.ep7.el7RHSA-2025:1746
Fixed in:0:7.3.12-3.GA_redhat_00002.1.el7eapRHSA-2025:1747
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-modulesRed Hat / RHEL
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-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
apache-log4j2Ubuntu
Fixed in:2.4-2ubuntu0.1~esm1USN-5192-2
Fixed in:2.10.0-2ubuntu0.1USN-5192-1
Fixed in:2.16.0-0.20.04.1USN-5197-1
Fixed in:2.15.0-0.20.04.1USN-5192-1
liblog4j2-javaUbuntu
Fixed in:2.4-2ubuntu0.1~esm1USN-5192-2
Fixed in:2.10.0-2ubuntu0.1USN-5192-1
Fixed in:2.16.0-0.20.04.1USN-5197-1
Fixed in:2.15.0-0.20.04.1USN-5192-1

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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 ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

100.00%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 Remote Code Execution Vulnerability

Apache Log4j2 contains a vulnerability where JNDI features do not protect against attacker-controlled JNDI-related endpoints, allowing for remote code execution.

For all affected software assets for which updates exist, the only acceptable remediation actions are: 1) Apply updates; OR 2) remove affected assets from agency networks. Temporary mitigations using one of the measures provided at https://www.cisa.gov/uscert/ed-22-02-apache-log4j-recommended-mitigation-measures are only acceptable until updates are available.

Remediation due: 2021-12-24

Associated with ransomware campaigns

References

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
CVE-2018-0296High7.5100%KEVFix

Common questions

How do I fix CVE-2021-44228?

Published advisories record a fix for 94 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2021-44228 being actively exploited?

Yes. CVE-2021-44228 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. CISA has also linked it to known ransomware campaigns. US federal agencies were required to remediate it by 2021-12-24. Treat it as a priority whatever its CVSS score says.

How severe is CVE-2021-44228?

CVE-2021-44228 has a CVSS v3 base score of 10.0, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-44228 affect?

Published advisories record a fix for eap7-apache-cxf (Red Hat / RHEL), eap7-apache-cxf (Rocky), eap7-apache-cxf-rt (Red Hat / RHEL), eap7-apache-cxf-rt (Rocky), and 90 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-02-20.