HOMEVULNERABILITIESCVE-2015-6927
LOW

CVE-2015-6927

CWE-59Published: September 28, 2015· Updated: Jun 17, 2026

3.6
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2015-6927 requires local access, meaning attackers must already have a foothold on the target system.

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

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityP
AV:L/AC:L/Au:N/C:N/I:P/A:P

Affected Vendors & Products

openvz1 product(s)
vzctl
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2015-6927
CVSS Score3.6 / 10
SeverityLOW
WeaknessCWE-59
CISA KEVNo
Affected1 vendor(s)
PublishedSep 28, 2015

Related CVEs (CWE-59)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2015-6927 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.