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CVE-2011-1094

kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the...

4.3 MediumFix available

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.

Exploit likelihood

1.00%Down 0.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2011-1094
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-1094
Updated
2026-11-02
EUVDEUVD-2011-1108 No score

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.

Record
EUVD-2011-1108
Updated
2026-11-03
GitHub AdvisoriesGHSA-9793-cggf-824w No score

kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the...

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.

Record
GHSA-9793-cggf-824w
Weakness
CWE-20
Updated
2026-11-02
OSV No score

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.

Record
CVE-2011-1094
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kdelibs
Red Hat:enterprise_linux:6::client
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-apidocs
Red Hat:enterprise_linux:6::client
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-debuginfo
Red Hat:enterprise_linux:6::client
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-devel
Red Hat:enterprise_linux:6::client
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-common
Red Hat:enterprise_linux:6::client
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs
Red Hat:enterprise_linux:6::computenode
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-apidocs
Red Hat:enterprise_linux:6::computenode
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-common
Red Hat:enterprise_linux:6::computenode
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-devel
Red Hat:enterprise_linux:6::computenode
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
Show 10 moreShow less
Affected packages
PackageAffectedFixed
kdelibs
Red Hat:enterprise_linux:6::server
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-apidocs
Red Hat:enterprise_linux:6::server
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-common
Red Hat:enterprise_linux:6::server
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-debuginfo
Red Hat:enterprise_linux:6::server
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-devel
Red Hat:enterprise_linux:6::server
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs
Red Hat:enterprise_linux:6::workstation
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-apidocs
Red Hat:enterprise_linux:6::workstation
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-common
Red Hat:enterprise_linux:6::workstation
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2
kdelibs-devel
Red Hat:enterprise_linux:6::workstation
 before 6:4.3.4-11.el6_0.2
6:4.3.4-11.el6_0.2

History

History
RecordedChangedSources
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1094 is a medium vulnerability (CVSS 4.3) in Redhat Kdelibs, published March 16, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 62nd percentile. Fixed in kdelibs 6:4.3.4-11.el6_0.2.

References

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