VULNERABILITY INTELLIGENCE
CVE-2015-6927
CVSS score3.6 LOW
EPSS probability0.50%
CISA KEVNot currently listed
Published2015-09-28
Last modified2026-06-17
CVSS vectorAV:L/AC:L/Au:N/C:N/I:P/A:P
Description
vzctl before 4.9.4 determines the virtual environment (VE) layout based on the presence of root.hdd/DiskDescriptor.xml in the VE private directory, which allows local simfs container (CT) root users to change the root password for arbitrary ploop containers, as demonstrated by a symlink attack on the ploop container root.hdd file and then access a control panel.
Weakness classification
- CWE-59: Improper Link Resolution Before File Access ('Link Following')