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Vulnerability record · CVE-2015-1852 · published 17 April 2015

CVE-2015-1852: Openstack keystonemiddleware vulnerability

Openstack · Keystonemiddleware

The s3_token middleware in OpenStack keystonemiddleware before 1.6.0 and python-keystoneclient before 1.4.0 disables certification verification when the "insecure" option is set in a paste configuration (paste.ini) file regardless of the value, which allows remote attackers to conduct man-in-the-middle attacks via a crafted certificate, a different vulnerability than CVE-2014-7144.

4.3 CVSS 2.0 Medium EPSS 2.6% · top 15.2% CWE-17 · CWE-17
4.3CVSS 2.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

The s3_token middleware in OpenStack keystonemiddleware before 1.6.0 and python-keystoneclient before 1.4.0 disables certification verification when the "insecure" option is set in a paste configuration (paste.ini) file regardless of the value, which allows remote attackers to conduct man-in-the-middle attacks via a crafted certificate, a different vulnerability than CVE-2014-7144.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.openstack.org/pipermail/openstack-announce/2015-April/000350.html Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1677.html
http://rhn.redhat.com/errata/RHSA-2015-1685.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.securityfocus.com/bid/74187 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2705-1 Third Party Advisory
https://bugs.launchpad.net/keystonemiddleware/+bug/1411063
http://lists.openstack.org/pipermail/openstack-announce/2015-April/000350.html Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2015-1677.html
http://rhn.redhat.com/errata/RHSA-2015-1685.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.securityfocus.com/bid/74187 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2705-1 Third Party Advisory
https://bugs.launchpad.net/keystonemiddleware/+bug/1411063

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Source: NIST National Vulnerability Database (record CVE-2015-1852), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.