{"id":"USN-4699-1","summary":"log4net vulnerability","details":"It was discovered that Apache Log4net incorrectly handled certain configuration files.\nAn attacker could possibly use this issue to expose sensitive information.\n","modified":"2026-04-27T15:48:19.226529Z","published":"2021-01-19T12:50:54Z","related":["UBUNTU-CVE-2018-1285"],"upstream":["CVE-2018-1285","UBUNTU-CVE-2018-1285"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4699-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1285"}],"affected":[{"package":{"name":"log4net","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/log4net@1.2.10+dfsg-7ubuntu0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.10+dfsg-7ubuntu0.16.04.1"}]}],"versions":["1.2.10+dfsg-6","1.2.10+dfsg-7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"liblog4net1.2-cil","binary_version":"1.2.10+dfsg-7ubuntu0.16.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-1285","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4699-1.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/log4net@1.2.10+dfsg-7ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.10+dfsg-7ubuntu0.18.04.1"}]}],"versions":["1.2.10+dfsg-7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"liblog4net1.2-cil","binary_version":"1.2.10+dfsg-7ubuntu0.18.04.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1285"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4699-1.json"}},{"package":{"name":"log4net","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/log4net@1.2.10+dfsg-7ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.10+dfsg-7ubuntu0.20.04.1"}]}],"versions":["1.2.10+dfsg-7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"liblog4net1.2-cil","binary_version":"1.2.10+dfsg-7ubuntu0.20.04.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-1285","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4699-1.json"}}],"schema_version":"1.7.5"}