{"id":"CVE-2015-1852","aliases":["GHSA-p9wq-mjh8-q72m","PYSEC-2015-30","PYSEC-2015-31"],"url":"https://o3.security/vulnerability/CVE-2015-1852","summary":"OpenStack keystonemiddleware and python-keystoneclient vulnerable to man-in-the-middle attacks","details":"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.","published":"2015-04-17T17:59:02Z","modified":"2026-04-10T03:45:12.469090Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":{"score":0.02611,"percentile":0.84662,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"keystonemiddleware","fixedVersion":"1.6.0"},{"ecosystem":"PyPI","name":"python-keystoneclient","fixedVersion":"1.4.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://lists.openstack.org/pipermail/openstack-announce/2015-April/000350.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1677.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2015-1685.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/74187"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2705-1"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html"},{"type":"WEB","url":"https://bugs.launchpad.net/keystonemiddleware/+bug/1411063"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-1852"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2015:1677"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2015:1685"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2015-1852"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1209527"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/keystonemiddleware/PYSEC-2015-30.yaml"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/python-keystoneclient/PYSEC-2015-31.yaml"},{"type":"WEB","url":"https://web.archive.org/web/20200228060649/http://www.securityfocus.com/bid/74187"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:45:12.469090Z"}}