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Fencer Intel
medium 6.0

CVE-2011-4596 json

OpenStack Nova Multiple directory traversal vulnerabilities

published 2011-12-23 14 y ago modified 2026-07-07 4 mo ago also GHSA-qr62-r9xc-r2gj , PYSEC-2026-881 , EUVD-2022-5020

cvss
6.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi nova 12.0.0a0
  • openstack nova 2011.3.1
  • nova Debian 14, Debian 13, Debian 12 2012.1~e1-4

debian advisories DEBIAN-CVE-2011-4596

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-4596 updated cvss 5.8

openstack-nova: Sanitize EC2 manifests and image tarballs

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
pypi nova
<12.0.0a0
12.0.0a0

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.