{"id":"UBUNTU-CVE-2011-4968","details":"nginx http proxy module does not verify peer identity of https origin server which could facilitate man-in-the-middle attack (MITM)","modified":"2025-09-08T16:42:56Z","published":"2019-11-19T16:15:00Z","upstream":["CVE-2011-4968"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2011-4968"},{"type":"REPORT","url":"http://mailman.nginx.org/pipermail/nginx-devel/2015-February/006484.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2011-4968"}],"affected":[{"package":{"name":"nginx","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/nginx@1.4.6-1ubuntu3.9+esm5?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.1-3ubuntu1","1.4.3-2ubuntu1","1.4.4-1ubuntu1","1.4.4-2ubuntu1","1.4.4-4ubuntu1","1.4.5-1ubuntu1","1.4.6-1ubuntu2","1.4.6-1ubuntu3","1.4.6-1ubuntu3.1","1.4.6-1ubuntu3.2","1.4.6-1ubuntu3.3","1.4.6-1ubuntu3.4","1.4.6-1ubuntu3.5","1.4.6-1ubuntu3.6","1.4.6-1ubuntu3.7","1.4.6-1ubuntu3.8","1.4.6-1ubuntu3.9","1.4.6-1ubuntu3.9+esm1","1.4.6-1ubuntu3.9+esm2","1.4.6-1ubuntu3.9+esm3","1.4.6-1ubuntu3.9+esm4","1.4.6-1ubuntu3.9+esm5"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-common"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-core"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-extras"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-full"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-light"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-naxsi"},{"binary_version":"1.4.6-1ubuntu3.9+esm5","binary_name":"nginx-naxsi-ui"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2011/UBUNTU-CVE-2011-4968.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"low"}]}