https://isitpatched.com/log4j Security alerts for Apache Log4j: newly-exploited CVEs and end-of-life events from IsItPatched. en Compiled by IsItPatched (isitpatched.com) from NVD, CISA KEV, EPSS and endoflife.date. IsItPatched (https://isitpatched.com) https://www.rssboard.org/rss-specification 15 https://isitpatched.com/icon-192.png https://isitpatched.com/log4j Wed, 17 Jun 2026 07:02:20 GMT https://isitpatched.com/cve/CVE-2026-34481 log4j|CVE-2026-34481 Severity: High (CVSS 7.5) · CWE-116 · EPSS 1% High IsItPatched Fri, 10 Apr 2026 15:16:31 GMT https://isitpatched.com/cve/CVE-2026-34480 log4j|CVE-2026-34480 Severity: High (CVSS 7.5) · CWE-116 · EPSS 1% High IsItPatched Fri, 10 Apr 2026 15:16:31 GMT https://isitpatched.com/cve/CVE-2026-34479 log4j|CVE-2026-34479 Severity: High (CVSS 7.5) · CWE-116 · EPSS 1% High IsItPatched Fri, 10 Apr 2026 15:16:31 GMT https://isitpatched.com/cve/CVE-2026-34478 log4j|CVE-2026-34478 Severity: High (CVSS 7.5) · CWE-117 · EPSS 1% High IsItPatched Fri, 10 Apr 2026 15:16:31 GMT https://isitpatched.com/cve/CVE-2026-34477 log4j|CVE-2026-34477 Severity: Medium (CVSS 5.9) · CWE-297 · EPSS 0% Medium IsItPatched Fri, 10 Apr 2026 15:16:30 GMT https://isitpatched.com/cve/CVE-2025-68161 log4j|CVE-2025-68161 Severity: Medium (CVSS 4.8) · CWE-297 · EPSS 1% Medium IsItPatched Thu, 18 Dec 2025 21:15:57 GMT https://isitpatched.com/cve/CVE-2023-26464 log4j|CVE-2023-26464 Severity: High (CVSS 7.5) · Insecure deserialization · EPSS 2% High IsItPatched Fri, 10 Mar 2023 14:15:10 GMT https://isitpatched.com/cve/CVE-2022-23307 log4j|CVE-2022-23307 Severity: High (CVSS 8.8) · Insecure deserialization · EPSS 52% High IsItPatched Tue, 18 Jan 2022 16:15:08 GMT https://isitpatched.com/cve/CVE-2022-23305 log4j|CVE-2022-23305 Severity: Critical (CVSS 9.8) · SQL injection · EPSS 67% Critical IsItPatched Tue, 18 Jan 2022 16:15:08 GMT https://isitpatched.com/cve/CVE-2022-23302 log4j|CVE-2022-23302 Severity: High (CVSS 8.8) · Insecure deserialization · EPSS 62% High IsItPatched Tue, 18 Jan 2022 16:15:08 GMT https://isitpatched.com/cve/CVE-2021-44832 log4j|CVE-2021-44832 Severity: Medium (CVSS 6.6) · Improper input validation · EPSS 98% Medium IsItPatched Tue, 28 Dec 2021 20:15:08 GMT https://isitpatched.com/cve/CVE-2021-45105 log4j|CVE-2021-45105 Severity: Medium (CVSS 5.9) · Improper input validation · EPSS 100% Medium IsItPatched Sat, 18 Dec 2021 12:15:07 GMT https://isitpatched.com/cve/CVE-2021-45046 log4j|CVE-2021-45046 Severity: Critical (CVSS 9) · CWE-917 · Actively exploited (CISA KEV) · Ransomware-linked · EPSS 100% Exploited IsItPatched Tue, 14 Dec 2021 19:15:07 GMT https://isitpatched.com/cve/CVE-2021-4104 log4j|CVE-2021-4104 Severity: High (CVSS 7.5) · Insecure deserialization · EPSS 81% High IsItPatched Tue, 14 Dec 2021 12:15:12 GMT https://isitpatched.com/cve/CVE-2021-44228 log4j|CVE-2021-44228 Severity: Critical (CVSS 10) · Improper input validation · Actively exploited (CISA KEV) · Ransomware-linked · EPSS 100% Exploited IsItPatched Fri, 10 Dec 2021 10:15:09 GMT https://isitpatched.com/cve/CVE-2020-9493 log4j|CVE-2020-9493 Severity: Critical (CVSS 9.8) · Insecure deserialization · EPSS 5% Critical IsItPatched Wed, 16 Jun 2021 07:15:06 GMT https://isitpatched.com/cve/CVE-2020-9488 log4j|CVE-2020-9488 Severity: Low (CVSS 3.7) · CWE-295 · EPSS 8% Low IsItPatched Mon, 27 Apr 2020 15:15:12 GMT https://isitpatched.com/cve/CVE-2019-17571 log4j|CVE-2019-17571 Severity: Critical (CVSS 9.8) · Insecure deserialization · EPSS 69% Critical IsItPatched Fri, 20 Dec 2019 17:15:11 GMT https://isitpatched.com/cve/CVE-2017-5645 log4j|CVE-2017-5645 Severity: Critical (CVSS 9.8) · Insecure deserialization · EPSS 89% Critical IsItPatched Mon, 17 Apr 2017 20:59:00 GMT