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9.8

Apache CloudStack may expose VNC passwords during VM migration

CVE-2015-3252 · published 10 years ago
Summary

Apache CloudStack versions older than 4.5.2 can lose the secret code used to protect remote desktop connections when a virtual machine is moved to a new host. This could let an attacker connect to the machine’s display and see or control it. Upgrade to version 4.5.2 or later, or apply any official patches, to keep the passwords safe.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
apache cloudstack <= 4.5.1
cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*
Original advisory text
Apache CloudStack before 4.5.2 does not properly preserve VNC passwords when migrating KVM virtual machines, which allows remote attackers to gain access by connecting to the VNC server.
Apache CloudStack before 4.5.2 does not properly preserve VNC passwords when migrating KVM virtual machines, which allows remote attackers to gain access by connecting to the VNC server.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Exploitation
2% chance of attack within 30 days
Type
CWE-255Credentials Management Errors
Timeline
Published8 Feb 2016
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2015-3252 · NVD
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