{"id":"UBUNTU-CVE-2013-4566","details":"mod_nss 1.0.8 and earlier, when NSSVerifyClient is set to none for the server/vhost context, does not enforce the NSSVerifyClient setting in the directory context, which allows remote attackers to bypass intended access restrictions.","modified":"2025-10-24T04:45:03Z","published":"2013-12-12T18:55:00Z","upstream":["CVE-2013-4566"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-4566"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4566"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2013-4566"}],"affected":[{"package":{"name":"libapache2-mod-nss","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libapache2-mod-nss@1.0.12-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.11-1","1.0.12-1","1.0.12-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-nss","binary_version":"1.0.12-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4566.json"}},{"package":{"name":"libapache2-mod-nss","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libapache2-mod-nss@1.0.14-1build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.14-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libapache2-mod-nss","binary_version":"1.0.14-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4566.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}