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Vulnerability record · CVE-2015-1856 · published 17 April 2015

CVE-2015-1856: Openstack swift permissions and access controls vulnerability

Openstack · Swift

OpenStack Object Storage (Swift) before 2.3.0, when allow_version is configured, allows remote authenticated users to delete the latest version of an object by leveraging listing access to the x-versions-location container.

5.5 CVSS 2.0 Medium EPSS 4.0% · top 9.9% CWE-264 · Permissions and access controls
5.5CVSS 2.0 base score
4.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

OpenStack Object Storage (Swift) before 2.3.0, when allow_version is configured, allows remote authenticated users to delete the latest version of an object by leveraging listing access to the x-versions-location container.

AV:N/AC:L/Au:S/C:N/I:P/A:P

Affected products

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

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163113.html
http://lists.openstack.org/pipermail/openstack-announce/2015-April/000349.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00025.html
http://rhn.redhat.com/errata/RHSA-2015-1681.html
http://rhn.redhat.com/errata/RHSA-2015-1684.html
http://rhn.redhat.com/errata/RHSA-2015-1845.html
http://rhn.redhat.com/errata/RHSA-2015-1846.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.securityfocus.com/bid/74182 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2704-1 Third Party Advisory
https://bugs.launchpad.net/swift/+bug/1430645 Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163113.html
http://lists.openstack.org/pipermail/openstack-announce/2015-April/000349.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00025.html
http://rhn.redhat.com/errata/RHSA-2015-1681.html
http://rhn.redhat.com/errata/RHSA-2015-1684.html
http://rhn.redhat.com/errata/RHSA-2015-1845.html
http://rhn.redhat.com/errata/RHSA-2015-1846.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.securityfocus.com/bid/74182 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2704-1 Third Party Advisory
https://bugs.launchpad.net/swift/+bug/1430645 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2015-1856), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.