{"cve":"CVE-2021-44832","nvd":{"published":"2021-12-28T20:15:08.400","modified":"2026-06-17T04:12:52.013","status":"Modified","description":"Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4, and 2.3.2.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","score":6.6},"cwes":["CWE-20","CWE-74"],"references":["http://www.openwall.com/lists/oss-security/2021/12/28/1","https://cert-portal.siemens.com/productcert/pdf/ssa-784507.pdf","https://issues.apache.org/jira/browse/LOG4J2-3293","https://lists.apache.org/thread/s1o5vlo78ypqxnzn6p8zf6t9shtq5143","https://lists.debian.org/debian-lts-announce/2021/12/msg00036.html"],"products":["apache:log4j","cisco:cloudcenter","debian:debian_linux","fedoraproject:fedora","oracle:communications_brm_-_elastic_charging_engine","oracle:communications_diameter_signaling_router","oracle:communications_interactive_session_recorder","oracle:communications_offline_mediation_controller","oracle:flexcube_private_banking","oracle:health_sciences_data_management_workbench","oracle:policy_automation","oracle:policy_automation_for_mobile_devices","oracle:primavera_gateway","oracle:primavera_p6_enterprise_project_portfolio_management","oracle:primavera_unifier","oracle:product_lifecycle_analytics","oracle:retail_assortment_planning","oracle:retail_fiscal_management","oracle:retail_order_broker","oracle:retail_xstore_point_of_service","oracle:siebel_ui_framework","oracle:weblogic_server"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-44832","score":0.97906,"percentile":0.99908,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8489-44mv-ggj8","url":"https://osv.dev/vulnerability/GHSA-8489-44mv-ggj8","summary":"Improper Input Validation and Injection in Apache Log4j2","modified":"2026-06-09T10:45:14.253296471Z","packages":[{"ecosystem":"Maven","name":"org.apache.logging.log4j:log4j-core","purl":"pkg:maven/org.apache.logging.log4j/log4j-core","ranges":[">=2.0-beta7 <2.3.2"],"fixed":["2.3.2"]},{"ecosystem":"Maven","name":"org.apache.logging.log4j:log4j-core","purl":"pkg:maven/org.apache.logging.log4j/log4j-core","ranges":[">=2.4 <2.12.4"],"fixed":["2.12.4"]},{"ecosystem":"Maven","name":"org.apache.logging.log4j:log4j-core","purl":"pkg:maven/org.apache.logging.log4j/log4j-core","ranges":[">=2.13.0 <2.17.1"],"fixed":["2.17.1"]},{"ecosystem":"Maven","name":"org.ops4j.pax.logging:pax-logging-log4j2","purl":"pkg:maven/org.ops4j.pax.logging/pax-logging-log4j2","ranges":[">=1.8.0 <1.9.2"],"fixed":["1.9.2"]},{"ecosystem":"Maven","name":"org.ops4j.pax.logging:pax-logging-log4j2","purl":"pkg:maven/org.ops4j.pax.logging/pax-logging-log4j2","ranges":[">=1.10.0 <1.10.9"],"fixed":["1.10.9"]},{"ecosystem":"Maven","name":"org.ops4j.pax.logging:pax-logging-log4j2","purl":"pkg:maven/org.ops4j.pax.logging/pax-logging-log4j2","ranges":[">=1.11.0 <1.11.13"],"fixed":["1.11.13"]},{"ecosystem":"Maven","name":"org.ops4j.pax.logging:pax-logging-log4j2","purl":"pkg:maven/org.ops4j.pax.logging/pax-logging-log4j2","ranges":[">=2.0.0 <2.0.14"],"fixed":["2.0.14"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}