{"id":"UBUNTU-CVE-2011-4973","details":"Authentication bypass vulnerability in mod_nss 1.0.8 allows remote attackers to assume the identity of a valid user by using their certificate and entering 'password' as the password.","modified":"2025-10-24T04:44:55Z","published":"2018-02-15T21:29:00Z","upstream":["CVE-2011-4973"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2011-4973"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2013/11/14/12"},{"type":"REPORT","url":"https://www.redhat.com/archives/mod_nss-list/2011-May/msg00001.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2011-4973"}],"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/2011/UBUNTU-CVE-2011-4973.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/2011/UBUNTU-CVE-2011-4973.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}