{"id":"USN-6826-1","summary":"libapache-mod-jk vulnerability","details":"Karl von Randow discovered that mod_jk was vulnerable to an authentication\nbypass. If the configuration did not provide explicit mounts for all\npossible proxied requests, an attacker could possibly use this \nvulnerability to bypass security constraints configured in httpd.\n","modified":"2026-02-10T04:44:19Z","published":"2024-06-11T12:37:39Z","related":["UBUNTU-CVE-2023-41081"],"upstream":["CVE-2023-41081","UBUNTU-CVE-2023-41081"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6826-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-41081"}],"affected":[{"package":{"name":"libapache-mod-jk","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libapache-mod-jk@1:1.2.41-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.41-1ubuntu0.1~esm1"}]}],"versions":["1:1.2.40+svn150520-1","1:1.2.41-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.2.41-1ubuntu0.1~esm1","binary_name":"libapache2-mod-jk"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6826-1.json","cves_map":{"cves":[{"id":"CVE-2023-41081","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"libapache-mod-jk","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libapache-mod-jk@1:1.2.43-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.43-1ubuntu0.1~esm1"}]}],"versions":["1:1.2.42-1","1:1.2.43-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.2.43-1ubuntu0.1~esm1","binary_name":"libapache2-mod-jk"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6826-1.json","cves_map":{"cves":[{"id":"CVE-2023-41081","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"libapache-mod-jk","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libapache-mod-jk@1:1.2.46-1ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.46-1ubuntu0.1"}]}],"versions":["1:1.2.46-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.2.46-1ubuntu0.1","binary_name":"libapache2-mod-jk"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6826-1.json","cves_map":{"cves":[{"id":"CVE-2023-41081","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"libapache-mod-jk","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libapache-mod-jk@1:1.2.48-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.48-1ubuntu0.1"}]}],"versions":["1:1.2.48-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.2.48-1ubuntu0.1","binary_name":"libapache2-mod-jk"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6826-1.json","cves_map":{"cves":[{"id":"CVE-2023-41081","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.3"}