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CVE-2013-4111

python-glanceclient vulnerable to SSL server spoofing due to unverified X.509 certificate

5.8 MediumFix available

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Exploit likelihood

0.99%Down 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.8

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
CVE-2013-4111
CVSS 2.0
5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
CVE-2013-4111
Updated
2026-11-02
EUVDEUVD-2013-0031 No score

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
EUVD-2013-0031
Updated
2026-11-03
GitHub AdvisoriesGHSA-qgfg-gvff-523v 8.7

python-glanceclient vulnerable to SSL server spoofing due to unverified X.509 certificate

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
GHSA-qgfg-gvff-523v
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-20
Updated
2026-11-02
OSVGHSA-qgfg-gvff-523v 8.7

python-glanceclient vulnerable to SSL server spoofing due to unverified X.509 certificate

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
GHSA-qgfg-gvff-523v
CVSS 4.0
8.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness
CWE-20
Updated
2026-11-02
OSV No score

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
CVE-2013-4111
Updated
2026-11-02
OSVDEBIAN-CVE-2013-4111 No score

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
DEBIAN-CVE-2013-4111
Updated
2026-11-02
OSVPYSEC-2013-11 No score

The Python client library for Glance (python-glanceclient) before 0.10.0 does not properly check the preverify_ok value, which prevents the server hostname from being verified with a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate and allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Record
PYSEC-2013-11
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
python-glanceclient
PyPI
 before 0.10.0
0.10.0
python-glanceclient
Debian:12
 before 1:0.9.0-2
1:0.9.0-2
python-glanceclient
Debian:13
 before 1:0.9.0-2
1:0.9.0-2
python-glanceclient
Debian:14
 before 1:0.9.0-2
1:0.9.0-2
python-glanceclient
PyPI
 before 0.10.0, plus listed versions
0.1.10.2.00.3.00.4.00.4.1
Show 7 moreShow less
0.4.20.5.00.5.10.6.00.7.00.8.00.9.0
0.10.0
python-glanceclient
Red Hat:openstack:3::el6
 before 1:0.9.0-2.el6ost
1:0.9.0-2.el6ost

History

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

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

In short

CVE-2013-4111 is a medium vulnerability (CVSS 5.8) in Openstack Python Glanceclient, published August 28, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 62nd percentile. Fixed in python-glanceclient 0.10.0.

References

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