Is CVE-2012-4066 actively exploited?

No active exploitation of CVE-2012-4066 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2012-4066 be exploited remotely?

Yes. CVE-2012-4066 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-4066?

CVE-2012-4066 has a CVSS score of 5.0 (MEDIUM).

HOME VULNERABILITIESCVE-2012-4066

MEDIUM

CVE-2012-4066

CWE-287Published: March 8, 2013· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

The internal message protocol for Walrus in Eucalyptus 3.2.0 and earlier does not require signatures for unspecified request headers, which allows attackers to (1) delete or (2) upload snapshots.

NVD Source

Technical Analysis

CVE-2012-4066 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.