{"id":"CVE-2013-7436","aliases":["DEBIAN-CVE-2013-7436","EUVD-2013-7200","GHSA-85jr-wq3p-ggcq","MGASA-2015-0133","RHSA-2015:0788","RHSA-2015:0833","RHSA-2015:0834","RHSA-2015:0884","SUSE-SU-2015:1300-1","UBUNTU-CVE-2013-7436"],"status":"published","title":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it...","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02168,"percentile":0.82379,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-310"],"published":"2015-04-04T10:45:56Z","modified":"2026-09-01T20:03:19Z","fixes":[{"ecosystem":"Debian:12","package":"novnc","fixed_in":["1:0.4+dfsg+1+20131010+gitf68af8af3d-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"novnc","fixed_in":["1:0.4+dfsg+1+20131010+gitf68af8af3d-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"novnc","fixed_in":["1:0.4+dfsg+1+20131010+gitf68af8af3d-4"],"sources":["osv"]},{"ecosystem":"Mageia:4","package":"novnc","fixed_in":["0.4-9.2.mga4"],"sources":["osv"]},{"ecosystem":"Red Hat:openstack:6::el7","package":"novnc","fixed_in":["0:0.5.1-2.el7ost"],"sources":["osv"]},{"ecosystem":"Red Hat:openstack:5::el6","package":"novnc","fixed_in":["0:0.5.1-2.el6ost"],"sources":["osv"]},{"ecosystem":"Red Hat:openstack:5::el7","package":"novnc","fixed_in":["0:0.5.1-2.el7ost"],"sources":["osv"]},{"ecosystem":"Red Hat:openstack:4::el6","package":"novnc","fixed_in":["0:0.5.1-2.el6ost"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.4+dfsg+1+20131010+gitf68af8af3d-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.4+dfsg+1+20131010+gitf68af8af3d-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.4+dfsg+1+20131010+gitf68af8af3d-4"}]}]},{"source":"osv","ecosystem":"Mageia:4","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4-9.2.mga4"}]}]},{"source":"osv","ecosystem":"Red Hat:openstack:6::el7","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.5.1-2.el7ost"}]}]},{"source":"osv","ecosystem":"Red Hat:openstack:5::el6","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.5.1-2.el6ost"}]}]},{"source":"osv","ecosystem":"Red Hat:openstack:5::el7","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.5.1-2.el7ost"}]}]},{"source":"osv","ecosystem":"Red Hat:openstack:4::el6","package":"novnc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.5.1-2.el6ost"}]}]}],"products":[{"vendor":"kanaka","product":"novnc"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2015/02/17/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0833.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0884.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1193451","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://github.com/kanaka/noVNC/commit/ad941faddead705cd611921730054767a0b32dcd","tags":["x_refsource_CONFIRM","x_transferred","fix","report"]},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0788.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2015/03/12/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2015-0834.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-7436","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-85jr-wq3p-ggcq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-7436","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2015-0133.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=15481","tags":["report"]},{"url":"https://access.redhat.com/errata/RHSA-2015:0788","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0788.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-7436","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-7436","tags":["advisory","report"]},{"url":"https://access.redhat.com/errata/RHSA-2015:0833","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0833.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2015:0834","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0834.json","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2015:0884","tags":["advisory"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_0884.json","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20151300-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/922233","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2013-7436","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2013-7436","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-7436","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"published","published":"2015-04-10T14:00:00Z","modified":"2024-08-06T18:09:16.427Z","updated_at":"2026-11-02T14:34:58.882751Z"}],"euvd":[{"id":"EUVD-2013-7200","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"published","published":"2015-04-10T14:00:00Z","modified":"2024-08-06T18:09:16Z","updated_at":"2026-11-03T01:56:23.526026Z"}],"ghsa":[{"id":"GHSA-85jr-wq3p-ggcq","title":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it...","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"published","published":"2022-05-17T04:13:39Z","modified":"2023-01-28T05:01:22Z","updated_at":"2026-11-02T14:43:33.286467Z"}],"nvd":[{"id":"CVE-2013-7436","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"published","published":"2015-04-10T14:59:00.063Z","modified":"2026-06-17T00:01:57.127Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:51.408338Z"}],"osv":[{"id":"CVE-2013-7436","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"published","published":"2015-04-10T14:59:00Z","modified":"2026-04-16T06:21:26.417763889Z","updated_at":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2013-7436","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"published","published":"2015-04-10T14:59:00.063Z","modified":"2026-09-01T20:03:19.930636951Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"MGASA-2015-0133","title":"Updated novnc packages fix CVE-2013-7436","description":"Updated novnc package fixes security vulnerability:\n\nnoVNC before 0.5.1 allows an attacker to steal insecurely set session token\ncookies, hijacking active or inactive VNC sessions (CVE-2013-7436).\n","status":"published","published":"2015-04-04T10:45:56Z","modified":"2026-04-16T06:25:38.166731363Z","updated_at":"2026-11-02T15:49:39.488462Z"},{"id":"RHSA-2015:0788","title":"Red Hat Security Advisory: novnc security update","status":"published","published":"2024-09-15T22:28:30Z","modified":"2025-11-22T10:59:37Z","updated_at":"2026-11-02T15:53:03.182161Z"},{"id":"RHSA-2015:0833","title":"Red Hat Security Advisory: novnc security update","status":"published","published":"2024-09-15T22:28:40Z","modified":"2025-11-22T10:59:54Z","updated_at":"2026-11-02T15:53:03.182161Z"},{"id":"RHSA-2015:0834","title":"Red Hat Security Advisory: novnc security update","status":"published","published":"2024-09-15T22:28:34Z","modified":"2025-11-22T10:59:54Z","updated_at":"2026-11-02T15:53:03.182161Z"},{"id":"RHSA-2015:0884","title":"Red Hat Security Advisory: novnc security update","status":"published","published":"2024-09-15T22:28:45Z","modified":"2025-11-22T11:00:19Z","updated_at":"2026-11-02T15:53:03.182161Z"},{"id":"SUSE-SU-2015:1300-1","title":"Security update for novnc","description":"\nnovnc was updated to fix a session hijacking problem through insecurely set \nsession token cookies (bnc#922233, CVE-2013-7436).\n\nSecurity Issues:\n\n    * CVE-2013-7436\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7436\u003e\n\n","status":"published","published":"2015-06-10T07:30:30Z","modified":"2026-02-04T04:15:58.600392Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"UBUNTU-CVE-2013-7436","description":"noVNC before 0.5 does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session.","status":"withdrawn","published":"2015-04-10T14:59:00Z","modified":"2025-07-16T08:10:51.308514Z","updated_at":"2026-11-02T15:54:07.855521Z"}]}}