{"id":"CVE-2011-1094","aliases":["EUVD-2011-1108","GHSA-9793-cggf-824w","RHSA-2011:0464"],"status":"published","title":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the...","description":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00999,"percentile":0.63032,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2011-03-16T22:00:00Z","modified":"2026-06-26T12:21:33Z","affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"kdelibs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"kdelibs-apidocs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"kdelibs-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"kdelibs-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"kdelibs-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"kdelibs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"kdelibs-apidocs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"kdelibs-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"kdelibs-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"kdelibs-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"kdelibs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"kdelibs-apidocs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"kdelibs-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"kdelibs-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"kdelibs-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"kdelibs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"kdelibs-apidocs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"kdelibs-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"kdelibs-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"kdelibs-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:4.3.4-11.el6_0.2"}]}],"bundled":2}],"products":[{"vendor":"redhat","product":"kdelibs"}],"references":[{"url":"http://www.vupen.com/english/advisories/2011/0990","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:071","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/46789","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://secunia.com/advisories/44108","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1110-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0913","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"https://projects.kde.org/projects/kde/kdelibs/repository/revisions/76f935197599a335a5fe09b78751ddb455248cf7","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://openwall.com/lists/oss-security/2011/03/08/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/65986","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2011/03/08/20","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1094","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9793-cggf-824w"},{"url":"https://access.redhat.com/errata/RHSA-2011:0464","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=632114","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=695398","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0464.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1094","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1094","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2011-1168","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2011-1168","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1168","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-1094","description":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.","status":"published","published":"2011-03-16T22:00:00Z","modified":"2024-08-06T22:14:27.786Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1108","description":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.","status":"published","published":"2011-03-16T22:00:00Z","modified":"2024-08-06T22:14:27Z","updated_at":"2026-11-03T01:55:58.301107Z"}],"ghsa":[{"id":"GHSA-9793-cggf-824w","title":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the...","description":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.","status":"published","published":"2022-05-17T02:01:08Z","modified":"2023-01-27T05:00:46Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:41:45.307734Z"}],"nvd":[{"id":"CVE-2011-1094","description":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.","status":"published","published":"2011-03-16T22:55:04.48Z","modified":"2026-06-16T23:28:42.073Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:07.221228Z"}],"osv":[{"id":"CVE-2011-1094","description":"kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.","status":"withdrawn","published":"2011-03-16T22:55:04Z","modified":"2024-06-04T04:00:19Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"RHSA-2011:0464","title":"Red Hat Security Advisory: kdelibs security update","status":"published","published":"2024-09-15T19:06:54Z","modified":"2026-06-26T12:21:33.938468907Z","updated_at":"2026-11-02T15:53:01.003286Z"}]}}
