Is CVE-2011-4596 in the CISA KEV catalog?

No. CVE-2011-4596 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-4596?

CVE-2011-4596 has a CVSS v2 base score of 6.0 (MEDIUM).

What is the EPSS score for CVE-2011-4596?

CVE-2011-4596 has an EPSS score of 1.94% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-4596?

Upgrade nova on debian 11 to 2012.1~e1-4 or later.

CVE & CISA-KEV Catalog

CVE-2011-4596

MEDIUMEPSS 78th pctl

6.0

CVSS v2

NVD

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.

CWE-22Path Traversal

How to fix

Remediation Available

novaDebian

Fixed in:2012.1~e1-4CVE-2011-4596

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.94%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Third-Party Advisory5

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	Fix

Embed a live status badge for CVE-2011-4596

Markdown

[![CVE-2011-4596](https://tridentstack.com/cve/badge/CVE-2011-4596.svg)](https://tridentstack.com/cve/CVE-2011-4596)

HTML

<a href="https://tridentstack.com/cve/CVE-2011-4596"><img src="https://tridentstack.com/cve/badge/CVE-2011-4596.svg" alt="CVE-2011-4596"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.