CVE-2015-1856

Severity: medium (CVSS 5.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-04-17 · updated 2026-06-17
Weakness: CWE-264

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.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 15.04
OpenStack Swift: through 2.2.2

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163113.html
http://lists.openstack.org/pipermail/openstack-announce/2015-April/000349.html
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
http://www.ubuntu.com/usn/USN-2704-1
https://bugs.launchpad.net/swift/+bug/1430645
http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163113.html

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