Published:2011/03/07  Last Updated:2011/03/07

OTRS vulnerable to OS command injection


OTRS contains an OS command injection vulnerability.

Products Affected

  • OTRS 2.3.4 and earlier


OTRS provided by the OTRS Project is a ticket management system. OTRS contains an OS command injection vulnerability.


An arbitrary OS command may be executed with the privileges of OTRS on the server where it is installed.


Update the software
Update to the latest version according to the information provided by the developer.


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2011.03.07

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspiciouse
  • High

Description of each analysis measures


Takeshi Terada of Mitsui Bussan Secure Directions reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendor under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2011-0456
JVN iPedia JVNDB-2011-000019