CVE-2011-4596

Severity: medium (CVSS 6.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-12-23 · updated 2026-06-16
Weakness: CWE-22

Description

Multiple directory traversal vulnerabilities in OpenStack Nova before 2011.3.1, when the EC2 API and the S3/RegisterImage image-registration method are enabled, allow remote authenticated users to overwrite arbitrary files via a crafted (1) tarball or (2) manifest.

Affected products

OpenStack Nova: from 2011.3 before 2011.3.1 — fixed in 2011.3.1

How to fix

Upgrade to a fixed version: OpenStack Nova 2011.3.1. Check the vendor advisory for mitigations.

References

https://bugs.launchpad.net/nova/+bug/885167
https://bugs.launchpad.net/nova/+bug/894755
https://github.com/openstack/nova/commit/76363226bd8533256f7795bba358d7f4b8a6c9e6
https://github.com/openstack/nova/commit/ad3241929ea00569c74505ed002208ce360c667e
https://lists.launchpad.net/openstack/msg06105.html
https://bugs.launchpad.net/nova/+bug/885167
https://bugs.launchpad.net/nova/+bug/894755
https://github.com/openstack/nova/commit/76363226bd8533256f7795bba358d7f4b8a6c9e6
https://github.com/openstack/nova/commit/ad3241929ea00569c74505ed002208ce360c667e
https://lists.launchpad.net/openstack/msg06105.html

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