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CERT Coordination Center

Cryoserver Security Appliance vulnerable to privilege escalation

Vulnerability Note VU#280844

Original Release Date: 2014-10-07 | Last Revised: 2014-10-07


Cryoserver Security Appliance 7.3.x vulnerable to privilege escalation


CWE-264: Permissions, Privileges, and Access Controls

Cryoserver Security Appliance 7.3.x does not properly assign permission to the /etc/init.d/cryoserver shell script and allows the default support account to modify it using the /bin/cryo-mgmt script.


An authenticated attacker may be able to gain root access to the appliance.


The CERT/CC is currently unaware of a practical solution to this problem.

Vendor Information

Affected   Unknown   Unaffected


Notified:  August 18, 2014 Updated:  August 18, 2014



Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

CVSS Metrics

Group Score Vector
Base 7.7 AV:A/AC:L/Au:S/C:C/I:C/A:C
Temporal 6.6 E:POC/RL:U/RC:UR
Environmental 4.9 CDP:ND/TD:M/CR:ND/IR:ND/AR:ND



Thanks to Chris Hernandez for reporting this vulnerability.

This document was written by Chris King.

Other Information

CVE IDs: CVE-2014-4867
Date Public: 2014-10-07
Date First Published: 2014-10-07
Date Last Updated: 2014-10-07 14:00 UTC
Document Revision: 11

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