{"schema_version":1,"title":"Apache Log4j vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in Apache Log4j: 0 in the last 7 days and 0 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2022-23305, was published on 21 January 2022.","url":"https://junglewise.ai/threats/technologies/log4j","json_url":"https://junglewise.ai/threats/technologies/log4j.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/log4j","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":3,"critical":2,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cve":"CVE-2022-23305","cvss":9.8,"epss":0.6654,"slug":"cve-2022-23305-apache-log4j-sql-injection-in-jdbcappender","title":"Apache Log4j SQL injection in JDBCAppender","severity":"critical","exploited":false,"published_at":"2022-01-21T23:26:47+00:00","url":"https://junglewise.ai/threats/cve-2022-23305-apache-log4j-sql-injection-in-jdbcappender"},{"cve":"CVE-2020-9488","cvss":3.7,"epss":0.081,"slug":"cve-2020-9488-apache-log4j-improper-certificate-validation-in-smtp-appender","title":"Apache Log4j improper certificate validation in SMTP appender","severity":"low","exploited":false,"published_at":"2020-06-05T14:15:51+00:00","url":"https://junglewise.ai/threats/cve-2020-9488-apache-log4j-improper-certificate-validation-in-smtp-appender"},{"cve":"CVE-2019-17571","cvss":9.8,"epss":0.6906,"slug":"cve-2019-17571-apache-log4j-deserialization-in-socketserver","title":"Apache Log4j deserialization in SocketServer","severity":"critical","exploited":false,"published_at":"2020-01-06T18:43:49+00:00","url":"https://junglewise.ai/threats/cve-2019-17571-apache-log4j-deserialization-in-socketserver"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Apache Tomcat","slug":"tomcat","vulnerabilities":78,"url":"https://junglewise.ai/threats/technologies/tomcat"},{"name":"Apache Airflow","slug":"airflow","vulnerabilities":63,"url":"https://junglewise.ai/threats/technologies/airflow"},{"name":"Apache Camel","slug":"camel","vulnerabilities":40,"url":"https://junglewise.ai/threats/technologies/camel"},{"name":"Apache Traffic Server","slug":"traffic-server","vulnerabilities":39,"url":"https://junglewise.ai/threats/technologies/traffic-server"},{"name":"Apache HTTP Server","slug":"http-server","vulnerabilities":32,"url":"https://junglewise.ai/threats/technologies/http-server"},{"name":"Apache CloudStack","slug":"cloudstack","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/cloudstack"},{"name":"Apache Ofbiz","slug":"ofbiz","vulnerabilities":22,"url":"https://junglewise.ai/threats/technologies/ofbiz"},{"name":"Apache ActiveMQ","slug":"activemq","vulnerabilities":19,"url":"https://junglewise.ai/threats/technologies/activemq"},{"name":"Apache Storm","slug":"storm","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/storm"},{"name":"Apache Apisix","slug":"apisix","vulnerabilities":16,"url":"https://junglewise.ai/threats/technologies/apisix"},{"name":"Apache Thrift","slug":"thrift","vulnerabilities":16,"url":"https://junglewise.ai/threats/technologies/thrift"},{"name":"Apache ActiveMQ Artemis","slug":"activemq-artemis","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/activemq-artemis"}],"technology":{"hub":true,"name":"Apache Log4j","slug":"log4j","vendor":{"name":"Apache","slug":"apache","url":"https://junglewise.ai/threats/vendors/apache"},"aliases":[],"category":"library","homepage":"https://logging.apache.org/log4j/1.2/","repo_url":"https://github.com/apache/log4j","description":"A Java-based logging utility used for generating log messages within applications.","url":"https://junglewise.ai/threats/technologies/log4j"},"most_severe":[{"cve":"CVE-2019-17571","cvss":9.8,"epss":0.6906,"slug":"cve-2019-17571-apache-log4j-deserialization-in-socketserver","title":"Apache Log4j deserialization in SocketServer","severity":"critical","exploited":false,"published_at":"2020-01-06T18:43:49+00:00","url":"https://junglewise.ai/threats/cve-2019-17571-apache-log4j-deserialization-in-socketserver"},{"cve":"CVE-2022-23305","cvss":9.8,"epss":0.6654,"slug":"cve-2022-23305-apache-log4j-sql-injection-in-jdbcappender","title":"Apache Log4j SQL injection in JDBCAppender","severity":"critical","exploited":false,"published_at":"2022-01-21T23:26:47+00:00","url":"https://junglewise.ai/threats/cve-2022-23305-apache-log4j-sql-injection-in-jdbcappender"},{"cve":"CVE-2020-9488","cvss":3.7,"epss":0.081,"slug":"cve-2020-9488-apache-log4j-improper-certificate-validation-in-smtp-appender","title":"Apache Log4j improper certificate validation in SMTP appender","severity":"low","exploited":false,"published_at":"2020-06-05T14:15:51+00:00","url":"https://junglewise.ai/threats/cve-2020-9488-apache-log4j-improper-certificate-validation-in-smtp-appender"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}