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CVE-2011-4596

21
FAUCET Score

CVE-2011-4596 describes multiple directory traversal vulnerabilities in OpenStack Nova versions prior to 2011.3.1. Specifically, when the EC2 API and S3/RegisterImage method are enabled, remote authenticated users can overwrite arbitrary files through crafted tarballs or manifests. With a CVSS score of 6.0, this vulnerability has a medium attack complexity and requires authentication, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2011.3, < 2011.3.1CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 84th percentile among its peer group of 1,424 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: novaFixed in: 12.0.0a0

Vendor Advisories (1)

pipGHSA-qr62-r9xc-r2gjmedium

OpenStack Nova Multiple directory traversal vulnerabilities

May 14, 2022

References

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